San Francisco Bay Regional Water Quality Control Board EXECUTIVE OFFICER'S REPORT A Monthly Report to The Board May 15, 2001 Cleanup and Abatement Order for processing. A copy of the CAO and Dischargers of Aquatic Pesticides supporting documents is posted on our (Stephen Morse) Internet page. Pursuant to the March 12, 2001 decision of PG&E Bankruptcy Update (Stephen Hill) the Ninth Circuit Court of Appeals in Headwaters, Inc. v. Talent Irrigation Last month’s EO Report covered the full District, discharges of aquatic pesticides range of Board activities that might be now require coverage under a NPDES affected by PG&E’s Chapter 11 bankruptcy permit. The State Water Board intends to filing in March. We have little additional issue a General NPDES for these types of information to report, and this update covers discharges within the next several months. only cleanup issues. We expect to receive However, in the interim the State Board has State Board legal advice shortly on what requested that all Regional Boards issue a information to provide for the bankruptcy Cleanup and Abatement Order modeled proceedings. Because PG&E has filed for after a State Board draft covering these reorganization rather than dissolution, we do types of discharges. I signed this CAO on not need to provide detailed estimates of May 10. The California Department of future cleanup costs at PG&E sites. After Pesticide Regulation and the County further review, we narrowed the list of Agricultural Commissioners normally PG&E sites we oversee to about 16. We regulate the use of these pesticides by the estimate that future cleanup costs at these dischargers. However, since the court ruled sites will be less than $20 million that NPDES permits are needed, this brings collectively. We are checking to see how the State and Regional Boards into the this compares with results from other picture, since they are the only State Regional Boards and with DTSC. We agencies with the authority to issue these suspect that DTSC oversees the bulk of the permits. sites that have significant future cleanup costs, including former manufactured gas The CAO covers discharges from the plants. application of aquatic pesticides that are registered for use by DPR. The CAO also Pacheco Pond, Marin County includes requirements that are intended to (Susan Gladstone) protect beneficial uses of water from impacts of these applications. We expect the Board staff received a complaint of a strong CAO to cover several dozen dischargers in sulfur smell and dead fish at Pacheco Pond our Region such as Mosquito Abatement, on April 19. This Pond flows to Novato Irrigation, and Flood Control Districts as Creek in the City of Novato. The well as several large developments that complainant indicated that tide gates had incorporate ponds, lakes, or water features. been removed between the lower portion of The permitting procedure to be used is the Creek and the Pond, causing swift water similar to the existing NPDES construction flows and pond flushing. The complainant stormwater permit and the State Water reported a milky white suspension of Board will perform most of the permit 1 sediment over about three-quarters of the historical concentration range and benzoic Pond and dead insects and fish. acid at 100 parts per billion in the Pond. Benzoic acid is used in the manufacture of Preliminary results of seven water samples cosmetics and creams; it has a half-life of 1 taken by the complainant over a 20-hour to 10 days in soil and water. period indicate slightly elevated pH in one sample and, at two locations, total Board and Marin County staff are concerned suspended solids in excess of what is that lack of aeration and circulation in the typically observed in storm water runoff. Pond, combined with storm water runoff, The pH level reflects slight alkalinity, but may potentially be reducing dissolved likely not enough to cause adverse effects to oxygen, thereby causing periodic toxicity. humans or wildlife. Sulfides in water were The sulfur odors may also be derived from detected on the day following the incident, naturally occurring hydrogen sulfide that which is typical of small water bodies with accumulates in the sediments and is released low circulation. during pond flushing. County staff are currently evaluating a change in tidal and Pacheco Pond was constructed as mitigation floodgate operations and the option to for development of the Bel Marin Keys restore the Pond to natural tidal action in commercial area and currently serves to conjunction with the wetland restoration retain storm water. It hydraulically connects project at the Hamilton and Bel Marin Keys Novato Creek and Ignacio Reservoir to the V properties. Staff will update the Board as Bay. Both the Reservoir and the Pond are more information becomes available. managed as wildlife preserves by the State Department of Fish and Game. Pacheco Happy Valley Golf Course, Pleasanton Creek, also tributary to Novato Creek, runs (Keith Lichten) through the northwest portion of the former Hamilton Army Airfield. Ongoing At its February meeting, the Board adopted monitoring of a closed landfill and an Waste Discharge Requirements (WDRs) for MTBE groundwater plume at Hamilton the City of Pleasanton's proposed municipal approximately 2,400 feet upgradient of the golf course in Happy Valley. However, at Pond has not shown migration of that time the City had not completed contaminants from the landfill and the significant information on project design, plume in the direction of the Pond. The mitigation, and other issues. As a result, the Army has completed extensive WDRs require that this information be environmental investigations at the airfield submitted and brought before the Board for and runways with no evidence of other its approval before construction of the golf contaminants migrating from the Hamilton course may begin. property towards Pacheco Pond. According to City staff, since the February Board staff have been coordinating with Board meeting the City has obtained Marin County since last December, when required approvals from the remaining we first received a report that sheriff's divers federal and state resource agencies. These had experienced health problems at the approvals, including those from the US Fish Pond in Fall 2000. Staff's area-wide and Wildlife Service and the State searches of storm drains and runoff in the Department of Fish and Game, are similar to vicinity of the Pond did not reveal an our WDRs in that they require submittal of obvious pollution source. Water samples additional plans or information before taken by Board staff in mid-December and construction may begin. again in late January detected a low level of MTBE at Pacheco Creek within its 2 At its May 8, 2001, meeting, the Pleasanton corporation (All Star Service, Inc.); there is City Council approved additional funds to no evidence of a waste discharge at the site; complete the plans and other information the Board did not allow due process; and the (e.g., grazing plan, creek reconstruction Board did not take into account Mr. Kelly plan, mitigation plan, etc.) required as Engineer’s financial status. conditions of the project's approvals. In September, the Council plans to consider Regardless of the petition, Mr. Engineer is updated cost estimates for the golf course still responsible for compliance with the and determine whether it will continue with Board’s requirements for submittal of the the proposed project and the vote on site investigation results. The site annexation of Happy Valley. The Council investigation is to be performed as per had previously moved the annexation vote Board staff approval of the workplan to October 11, 2001, from April 26. submitted by the discharger. The due date for the report is May 18, 2001. Board staff The City anticipates submitting the required contacted the Discharger’s attorney to plans and reports this summer, with the remind him of the impending report hope that the Board can consider them prior deadline and request him to notify the Board to the annexation vote on October 11. This if the deadline will not be met. would mean the Board would need to consider the plans no later than its Pollutants in San Francisco Bay Harbor September meeting, which, in turn, would Seal Tissue (Brad Job) require submittal of finalized plans incorporating staff comments no later than On May 8, 2001, Diane Kopec from the mid-July, in order to allow time for public University of Maine and Myrto Petreas from comment and staff preparation of the Board the Department of Toxic Substances item. As work on many of the required Control’s Hazardous Materials Laboratory plans has not yet begun, the City's schedule presented the results of a study of persistent is quite ambitious. organic pollutants in San Francisco Bay harbor seal tissue. The researchers Staff will continue to work with the City to conducted chemical analysis of fat tissue move the project forward. On May 10, staff from 10 adult harbor seal carcasses that provided the City's consultant with a copy of were collected around the bay from 1990 an example Resource Management Plan to through 1998. The Regional Board funded assist the City in developing an appropriate a portion of the chemical analysis and the grazing management plan for the project. San Francisco Estuary Project funded a portion of the research. Kelly Engineer/All Star Gasoline, Inc. (Jolanta Uchman) Perhaps their most provocative discovery was the observation that concentrations of On April 19, 2001, the attorney for Mr. polybrominated diphenyl ethers (PBDEs) in Kelly Engineer filed a petition for State seal tissue had increased by more that 10- Board review of this Board’s March order fold over the period in question. PBDEs are imposing administrative civil liability a relatively new environmental pollutant and (ACL). The Board imposed ACL of are used as fire retardants in foam products $36,800 for late submittal of a site and in ABS plastics like those used to investigation workplan at Mr. Engineer’s manufacture computer monitors. PBDEs leaking underground fuel tank site in are suspected of causing liver toxicity, Concord. The petition alleges that: the embryo toxicity, and thyroid effects as well Board acted improperly in naming All Star as maternal toxicity in animal studies. The Gasoline, Inc. instead of the current 3 European Union has banned the marketing a high priority, as Stege Marsh has been and use of PBDEs because of their tendency identified as a Toxic Hot Spot by the Bay to bioaccumulate in mother’s milk. PBDEs Protection and Toxic Cleanup Program. are unregulated in the U.S. and are not routinely analyzed for by any Regional In April 2001 staff conditionally approved Board 2 discharger. However, Regional Zeneca’s conceptual remedial action plan, Board staff has worked with the Regional provided that additional field study is Monitoring Program to review records from conducted and final design details are previous years’ chemical analyses to submitted. Remedial actions proposed to determine if PDBE has been present in the address extensive metals contamination and water column. acidic soil and groundwater conditions include: 1) neutralization of spent cinder Additionally, concentrations of materials and impacted groundwater; 2) polychlorinated biphenyls (PCBs) in harbor installation of a biologically active seal tissue were highly elevated, with permeable barrier; and, 3) installation of a samples from most individuals exceeding site cap. Remedial actions proposed to the level beyond which adverse effects address localized VOC and pesticide would be anticipated. Somewhat similar to contamination include soil excavation / off- PBDEs, exposure to PCBs is suspected of site disposal and groundwater extraction / causing cancer, disrupting endocrine treatment. Zeneca also proposes installation systems, and suppressing immune systems. of clean corridors for workers and a PCB burdens similar to those observed in establishing a deed restriction for the San Francisco Bay seals are suspected of property. contributing to the 1998 North Sea harbor seal die off where approximately 60% of the Staff anticipates bringing an order to the harbor seal population died due to canine Board in July for Zeneca and the adjacent distemper, which is not normally considered University of California Richmond Field to be a life threatening disease for harbor Station site. The orders will establish tasks seals. Although manufacture and sale of necessary to implement remedial actions at PCBs was banned in the U.S. in the 1980’s, the two sites, as well as tasks necessary to tissue concentrations were observed to have address the sites' impacts to Stege Marsh. increased or remained stable over the period from 1990 to 1998. The Regional Board East Bay Municipal Utilities District Bay staff is currently developing a total Side Groundwater Project (Greg Bartow) maximum daily load for PCBs with a goal of reducing PCB concentrations in fish, and EBMUD has released a draft Environmental ultimately in humans and harbor seals. Impact Report for construction of a large groundwater extraction well field located in Zeneca facility, Richmond (Cecilio Felix) San Lorenzo (between San Leandro and Hayward). The well field is in the southern The Zeneca facility, formerly owned by portion of the East Bay Plain Groundwater Stauffer Chemical, was utilized primarily Basin which underlies the flatland areas for the production of sulfuric acid, between Richmond and Hayward. fertilizers, and pesticides. Facility operations and the placement of spent pyrite The objective of the project is to provide ore on-site have resulted in high levels of between 10,000-15,000 acre-feet (3 to 5 metals, pesticides, VOCs, and acidic billion gallons) of water supply during conditions in groundwater and the adjacent droughts as a supplemental drinking water Stege Marsh. Cleanup of the Zeneca site is supply. Up to 10 wells would pump at a 4 combined rate of up to 15 million gallons Butano Creek, San Mateo County per day from aquifers at a depth of 500-600 (Susan Gladstone/Ann Crum) feet below the ground surface. The wells would also be designed to recharge (inject Board staff participated in an April 30 into the aquifer) up to 8 million gallons per meeting called by Federal, State and County day of treated water from EBMUD’s system elected officials to address historic flooding during non-drought periods. EBMUD has problems on Butano Creek and in the Town performed extensive groundwater studies in of Pescadero on the southern San Mateo the southern East Bay Plain, the results of coast. Attending agencies and community which indicate that the Bayside Site is the stakeholders discussed the implications of optimum location for such a well field. various long and short-term solutions, including restoring the floodplain, building The project is unique because it will be the a causeway crossing Butano Creek on the first time in 70 years that EBMUD will use existing Pescadero Road, reconfiguring groundwater as a source of drinking water. existing levees, and modifying creek In general, the Regional Board has maintenance. supported increased use of local groundwater resources to reduce demand on Butano Creek is a major tributary to limited surface water resources. However, Pescadero Creek; the watershed is a major such use must be wisely managed so it does source for sediment erosion from historical not cause other impacts. The Board’s staff timber harvesting. This, combined with Groundwater Committee completed a channel alterations by levees, loss of Beneficial Use Evaluation of the East Bay floodplain, and beaver dams (not native to Plain in 1999. Key findings and the area), has slowed the flow of water in recommendations in the report relative to the Creek and reduced sediment transport the Bayside Project are that 1) the Basin is through the system. This, in turn, has significantly underutilized as a drinking threatened the health and safety of residents water supply, 2) the deep aquifers are rarely of Pescadero and limits access to the impacted by shallow pollution, and 3) a community during flood events. Current basin-wide groundwater management challenges to reducing the flooding program should be implemented. upstream include understanding the trends of sediment storage and creek transport EBMUD has initiated a public involvement capacity, preserving valuable aquatic process to inform and educate nearby habitats, disturbing potentially toxic residents about the Bayside Project. sediments from agricultural lands, Concerns raised by residents about the implementing Best Management Practices project involve the potential health effects and erosion control, and identifying project of air emissions from the treatment system funding. Board staff will provide comments and the potential for property damage to Representative Anna Eshoo and caused by land subsidence due to Assemblyman Joe Simitian outlining water groundwater extraction. EBMUD will be quality regulatory and technical holding a series of workshops over the next considerations for potential modifications to two months in an attempt to address the the creek system. local resident’s concerns. Neither of these two issues is within the jurisdiction of the Regional Board. 5 Natural Resources Defense Council Newark Sportsmen’s Club Skeet Range Report on California Groundwater (Thomas Butler) Contamination (Gregory Bartow) The former Newark Sportsmen’s Club is In late April, NRDC released a report titled located in the city of Newark, south of the "California's Contaminated Groundwater: Is Dunbarton Bridge. The sportsmen’s club the State Minding the Store?” The report is operated a skeet shooting range until their critical of the State and Regional Board’s bankruptcy in 1995. Operations from the data gathering, monitoring and protection of skeet range resulted in the contamination of groundwater. The primary thrust of the site soils/sediment with lead shot and report is that California lacks a polynuclear aromatic hydrocarbon (PAH) comprehensive statewide groundwater- laden clay pigeon debris. On April 9, 2001 monitoring program. Instead, groundwater representatives from Cargill Salt Company monitoring is conducted by a variety of (Cargill) informed staff that as the owner, agencies, but the programs are uneven, and (and as secondarily responsible party for the the data management is uncoordinated. cleanup), Cargill has taken the initiative to The NRDC report focused on the SWRCB’s assume remediation responsibility for biennial water quality assessment known as impacted soils/sediment at the site. Cargill’s the “303(b) Report” which unfortunately decision to proceed with cleanup was based only provides a very qualitative and brief on the fact that the primarily responsible review of groundwater basin. party, the Newark Sportsmen’s Club, has few financial resources to initiate an The report has drawn interest in the effective cleanup. We believe Cargill’s Legislature, where the NRDC-sponsored initiative is commendable. Currently, staff Groundwater Monitoring Act (AB 599) have been working with Cargill to delineate could accomplish many of the 303(b) goals the extent of lead and PAH contamination including coordination among agencies and to implement a cleanup plan for the site. currently monitoring groundwater and additional monitoring to better cover the Status of Electronic Reporting System entire state. (Johnson Lam/Lila Tang) Within this Regional Board, we are making One and a half years after implementation, significant progress at better assessing the our Electronic Reporting System (ERS) is quality of our thirty-one groundwater proving to be beneficial for both staff and basins. Our information base is good participating dischargers. The ERS was because of the general high quality of local developed by staff to facilitate receipt of monitoring programs in the major drinking discharge data electronically. We are water basins. We are also beginning to see continuing to grow this system by recruiting results from our recent efforts to use our more dischargers and entering discharge Geographic Information System (GIS) as an data ourselves. At the same time, we are assessment tool. To date, our staff assisting the State Board to develop a more Groundwater Committee, in coordination robust statewide system that will ultimately with local agencies, has completed an replace our ERS. Although our ERS is assessment of eight of our groundwater successful, some challenges remain basins and will be completing an assessment particularly in the area of staffing for of three others this fall. administrative support. Currently, nearly 90 percent of major dischargers in this region voluntarily participate in our ERS and submit their data 6 to us over the Internet. These dischargers Cal/EPA Report on Non-Upgraded have benefited with automated, simplified Underground Storage Tanks (Chuck and reduced reporting requirements. Headlee) Combined, these streamlining measures have reduced by thousands the number of The deadline to upgrade or close sheets of paper that would have been sent to underground storage tanks (USTs) was this office the old fashion way. December 22, 1998. Approximately 92% of USTs met the deadline, but that leaves about Staff has also benefited by having data 3,000 non-upgraded USTs statewide, readily available for evaluation. This is including 123 in Region 2. Local tank useful for day-to-day compliance checking permitting and oversight agencies have been as well as being able to compile and assess unable to get these tanks removed or the data over the long term. This has been upgraded, because of budgetary constraints, and will be big time savers during permit lack of personnel, and lack of training on reissuances and “total maximum daily enforcement issues. loads” development. State law (SB 989 Sher) requires the State There remain some technical, legal, and Board to take various actions to reduce the administrative challenges with the ERS. likelihood of MtBE pollution in These include providing “help-yourself” groundwater. One section requires the State access to the public and accommodating the Board to convene a work group to review evolving nature of the way effluent limits, in and evaluate options for the prompt closure particular performance based limits, are of the non-upgraded petroleum USTs (a determined. Another issue has to do with significant subset of the non-upgraded the acceptability of electronic signature USTs). The work group was formed last technologies before we can completely year and comprised a diverse cross-section eliminate the paper reporting requirement. of interested parties: four local agencies, a These technical and legal issues will be water district, major and independent oil addressed in the statewide system. industries, environmental groups, district attorneys, consulting companies, USEPA, The administrative challenge is finding and Cal/EPA. Chuck Headlee represented enough resources to support the ERS. this Region on the work group. After nine Although the State Board supports months of data gathering and consensus electronic data submittal and has provided building, the work group adopted the report contract funds, they have not provided “Recommendation For Prompt Closure of funding for staff support. Administering the Non-Upgraded Underground Storage ERS is labor intensive. While more time Tanks.” The non-upgraded tank report will be saved in the long run by having the presents eight recommended actions to data readily available, in the short-term we reduce the threat to groundwater resources are stretched thin keeping up with our posed by the non-upgraded tanks. The work current ERS and assisting the State Board to group identified three recommendations develop the statewide system. We will most likely to provide prompt closure of the continue to explore ways to optimize our non-upgraded tanks: available resources to keep the system going. Use the SWRCB quarterly report to obtain accurate information on non- upgraded tanks 7 Increase the effectiveness of the that 13 years will be required in order to Emergency, Abandoned, Recalcitrant meet all cleanup standards. account in closing non-upgraded tanks Delegate to the SWRCB oversight Ethanol to Replace MtBE in Gasoline responsibility and authority for non- (Chuck Headlee and Roger Brewer) upgraded tanks. On April 10-11, 2001, Board staff attended The report was transmitted to the Cal/EPA a “Workshop on the Increased Use of Secretary, Winston Hickox, on March 23, Ethanol and Alkylates in Automotive Fuels 2001. Cal/EPA will consider the in California.” Ethanol is the most likely recommendations in the report and initiate substitute for MtBE as the oxygenate in budgetary and legislative proposals as gasoline when MtBE is phased out of needed. California reformulated gasoline at end of 2002. Because the Federal government has Intel Santa Clara 3 Update (David Barr) not granted California a waiver for the oxygenate requirement in gasoline, an Intel Corporation has recently submitted, oxygenate will still be required in gasoline and Board staff has approved, a five year sold in California. The use of ethanol will status report for its federal Superfund site at also require an increase in the amount of 2880 Northwestern Parkway in Santa Clara. alkylates, a family of compounds already The site is known as Intel Santa Clara 3. present in gasoline. We expect this This is Intel’s second five year review for transition to have a positive effect on water the site. Groundwater at the site has been quality, in that ethanol and alkylates present contaminated by VOCs. Groundwater far fewer problems than MtBE if released to extraction and treatment began at this site in soil or groundwater from underground 1985. By 1993, VOC concentrations in storage tanks. Ethanol is highly bio- groundwater had declined to low levels and degradable and alkylates biodegrade and are the efficiency of VOC removal had declined less mobile than MtBE. to the extent that continued groundwater extraction was not resulting in significant The workshop was hosted by Lawrence additional removal of VOC mass. Board Livermore National Laboratory and staff allowed the shut down of the sponsored by the United States Department groundwater extraction system in 1993 on a of Energy (Office of Fuels Development) trial basis to see what affect this would have and the Western States Petroleum on the pollutant plume. After the one year Association. The workshop was attended by trial period was over, Board staff approved experts from the regulatory community, leaving the extraction system shut down. fuel-related industries, and universities. The VOC concentrations have continued to workshop had three goals regarding the use gradually decline, and the plume has of ethanol and alkylates in gasoline: remained stable. The cleanup standards for the site are set at drinking water standards. Review the existing information on the Currently, all cleanup standards are met, physiochemical properties, fate and except for TCE. The concentration of TCE transport mechanisms, and release in site groundwater is about 45 ug/l, or scenarios. about ten times the drinking water standard Characterize the regulatory, of 5 ug/l. We expect VOC concentrations to environmental, and resource issues. slowly decline until all cleanup standards Address life-cycle issues and knowledge are met. Based on the rate of decline over gaps. the last seven years, the discharger estimates 8 Presentations and discussions included the May training will be offsite at Point Molate fate and transport of ethanol in groundwater, and West County landfill in Contra Costa the impact on surface water from pure County and will focus on groundwater ethanol spills, the potential for acid spills protection and waste containment issues. during the manufacture of alkylates, and the Brown-bag topics included a May 2 session economic impact to the State and consumers on TMDLs and a May 18 session on in-situ resulting from the potential supply problems remediation of MtBE and other petroleum with ethanol. Roger Brewer contributed his hydrocarbons by introduction of dissolved expertise on the toxicological effects and oxygen. fate and transport of ethanol and alkylates. Chuck Headlee was a member of the panel Staff Presentations that discussed the storage and cleanup issues associated with ethanol and alkylates. On May 8 Teng-chung Wu made a A report of the proceedings will be available presentation on sewer overflows to the soon and follow-up workshops are being annual meeting of the California Water planned. Environment Association, San Francisco Bay Section. Water Transit Authority (Bruce Wolfe) Dale Bowyer and I addressed the North Bay Board staff participated in the Water Transit Watershed Association on May 8. Authority's inaugural Technical Advisory Committee meeting on May 1. The Water On May 11, 15 upper level managers from Transit Authority was established by 1999 various agencies in China visited the Board legislation with the mission to prepare a offices. Chairman Muller briefed them on plan for implementing expanded ferry our organization and Teng-chung Wu service in the Bay and to ultimately operate discussed particular programs. that service. The Technical Advisory Committee's (TAC) mission is to advise the Richard Condit, Ken Katen, and Teng- Authority and its consultants on the myriad chung Wu served as judges at the 52nd studies and reports to be prepared during annual international high school science development of the Authority's fair, held in San Jose from May 6 to 12. The implementation and operations plan. Staff fair had 1200 competitors from all 50 States will be involved in the TAC's review of the and 40 countries. Authority's environmental planning process. The Division Chiefs and I are planning a The Authority will initially focus on "Phase one-day retreat for May 16 to discuss I" expansion to the Bay's ferry service that priorities. We have invited Tom Howard, could be in place in the next ten years. The Deputy Executive Director of the State draft Phase I development plan will be Board, to join us. circulated this fall, and a programmatic EIR/EIS circulated by the end of 2002. On May 18, our Chair, Vice Chair, and I Staff will periodically update the Board on will welcome Richard Katz to our Board as the Authority's work and associated water our new liaison. We plan to discuss our quality issues. priorities and introduce him to our various issues. In-house Training In April we had an informative training on total maximum daily loads (TMDLs). Our 9 San Francisco Bay Area Power Plant Construction Summary May 15, 2001 New Items in Italics Power Plants Currently Under Construction Project Applicant Capacity Regional Board Status Delta Energy Center Calpine and 880 MW Facilitated in streamlining the (Pittsburg) Bechtel wastewater reuse permitting process Reviewed Application for Certification (AFC) General Industrial Stormwater Permit Notice Of Intent (NOI) has not yet been submitted Los Medanos Energy Center Calpine and 500 MW Reviewed AFC (Pittsburg) Bechtel General Industrial Stormwater Permit NOI has not yet been submitted United Golden Gate Peaking Project El Paso 51 MW Reviewed AFC Phase I (provide power during peak Merchant General Industrial Stormwater Permit load time only) Energy NOI has not yet been submitted (San Francisco International Airport) Company Total Generation Capacity: 1,431 MW Power Plants with Application Currently Being Reviewed by CEC Project Applicant Capacity Regional Board Status Metcalf Energy Center Calpine and 600 MW Reviewed AFC (San Jose) Bechtel General Industrial Stormwater Permit NOI has not yet been submitted Potrero Repower Project Mirant 540 MW Facilitated in the interpretation of (San Francisco) thermal limitation and requirements for thermal exemption Reviewed AFC Water Quality Certification application not yet submitted. Siting for cooling water intake structure yet to be determined. NPDES Permit application has not yet been submitted. Potential Problem with community objections. United Golden Gate Project Phase II El Paso 520 MW No AFC or permit application received to date. (San Francisco International Airport) Merchant Energy Valero Cogeneration Project Valero 102 MW No AFC or permit application received to date. Refining Company Total Generation Capacity: 1,762 MW 10 San Francisco Bay Area Power Plant Construction Summary Power Plant with Application Expected in 2001 Project Applicant Capacity Regional Board Status Russell City Energy Center Calpine/Bechtel 600 MW No AFC or permit application received to (Hayward) date. South City South City LLC 550 MW No AFC or permit application received to (South San Francisco) date. Petaluma Project FPL Energy 581 MW No AFC or permit application received to date. Livermore Project Calpine Unknow No AFC or permit application received to date. Richmond Project City of Richmond Unknown No AFC or permit application received to date. Total Generation Capacity: 1,731 MW Power Plant with Application Withdrawn Project Applicant Capacity Remarks Eastshore Substation Reliability Calpine 91.2 MW Provide power during peak load demand only Generation Project (Alameda County) Martin Substation Peaking Project Calpine 91.2 MW Provide power during peak load demand only (San Mateo County) Newark Substation Reliability Calpine 91.2 MW Provide power during peak load demand only Generation Project (Alameda County) San Francisco Bay Barged-Mounted PG&E 95 MW Provide power during peak load demand only Emergency Generator National (San Francisco County) Energy Group San Mateo Substation Peaking Calpine 91.2 MW Provide power during peak load demand only Project (San Mateo County) Scott Substation Peaking Project Calpine 88 MW Provide power during peak load demand only (Santa Clara County) Total Generation Capacity: 547.8 MW Definitions: PEAK LOAD -- The highest electrical demand within a particular period of time. Daily electric peaks on weekdays occur in late afternoon and early evening. Annual peaks occur on hot summer days. PEAK LOAD POWER PLANT -- A power generating station that is normally used to produce extra electricity during peak load times. A plant usually housing old or low-efficiency steam units, gas turbines, diesels, or pumped storage hydroelectric equipment normally used during the peak- load periods. PEAKING UNIT -- A power generator used by a utility to produce extra electricity during peak load times. Note: 1,000 MW can provide energy needed by 1 million homes 11
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