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2. 2 Todays Meeting Purpose of proposed permit Purpose of proposed permit Share proposed permit language for your input Share proposed permit language for your input May 12, 2014 Stakeholder Workshop,San Diego, CA

3. Safe Drinking Water Allow water districts and purveyors to conduct mandated responsibilities for protection of public health and safetyAllow water districts and purveyors to conduct mandated responsibilities for protection of public health and safety Our Common Interests 3 May 12, 2014 Stakeholder Workshop, San Diego, CA

4. National Pollutant Discharge Elimination System National Pollutant Discharge Elimination System Clean Water Act requires pollutant source discharges to fishable and swimmable waters to obtain an NPDES permit Clean Water Act requires pollutant source discharges to fishable and swimmable waters to obtain an NPDES permit Point sources are discrete conveyances such as pipes or ditches that release discharge at a distinct location Point sources are discrete conveyances such as pipes or ditches that release discharge at a distinct location In California, the State and Regional Water Boards issue NPDES permits In California, the State and Regional Water Boards issue NPDES permits What is an NPDES Permit? 4 May 12, 2014 Stakeholder Workshop, San Diego, CA

5. Section 122.44(d)(1)(i) states NPDES permits shall include: Section 122.44(d)(1)(i) states NPDES permits shall include: Limitations must control all pollutants parameters (either conventional, nonconventional, or toxic pollutants) which the Director determines are or may be discharged at a level which will cause, have the reasonable potential to cause, or contribute to an excursion above any State water quality standard, including State narrative criteria for water quality Clean Water Act Requirements 5 May 12, 2014 Stakeholder Workshop, San Diego, CA

6. Basin Plans contain narrative toxicity objectives which generally state: all waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life; Specific language varies among Basin Plans. Federal regulations require effluent limits for toxicity when a discharge causes, has the reasonable potential to cause, or contributes to an in-stream excursion above a numeric or narrative objective within an applicable State water quality standard (40 Code of Federal Regulations 122.44(d)). March 2014 AWWA Conference - Anaheim, CA 6 Basin Plan Objectives

7. Stakeholder Outreach History In 2008: Los Angeles Water Board issued draft permit for public commentsIn 2008: Los Angeles Water Board issued draft permit for public comments In 2010: Sacramento area districts requested permitIn 2010: Sacramento area districts requested permit In 2011: SF Bay Water Board began discussions with water districtsIn 2011: SF Bay Water Board began discussions with water districts 7 May 12, 2014 Stakeholder Workshop, San Diego, CA

8. Combined Water Board Effort 2013: Consideration of multi-regional permit2013: Consideration of multi-regional permit Three stakeholder meetings Three stakeholder meetings Discussions with staff and Boards Discussions with staff and Boards State Water Board staff now taking leadState Water Board staff now taking lead Primary Objective – Statewide Consistency and EfficiencyPrimary Objective – Statewide Consistency and Efficiency 8 May 12, 2014 Stakeholder Workshop, San Diego, CA

9. 9 Mandated Duties and Planned Discharges May 12, 2014 Stakeholder Workshop, San Diego, CA

10. Protection of Our Surface Waters Ensure that water draining to surface waters does not harm beneficial usesEnsure that water draining to surface waters does not harm beneficial uses 10 Another Common Interest May 12, 2014 Stakeholder Workshop, San Diego, CA

11. Chemical – chlorine and pHChemical – chlorine and pH Physical – turbidity, trash, sand, grit and sedimentPhysical – turbidity, trash, sand, grit and sediment Erosion-related or scour-related concernsErosion-related or scour-related concerns 11 Basic Water Quality Concern May 12, 2014 Stakeholder Workshop, San Diego, CA

12. 12 Protecting Surface Water with Best Management Practices May 12, 2014 Stakeholder Workshop, San Diego, CA

13. 13 Basic NPDES permitting informationBasic NPDES permitting information Coverage under existing storm water permitsCoverage under existing storm water permits Stakeholder feedbackStakeholder feedback Purpose of proposed permitPurpose of proposed permit Targeting constituents of concernTargeting constituents of concernhttp://www.waterboards.ca.gov/water_issues/programs/npdes Previous Staff Presentations

14. Recent Growing Concerns Bay Area Region What We Heard From You Concerns (some conflicting):Concerns (some conflicting): Increased regulatory costs as local resources decline Increased regulatory costs as local resources decline Local agreements working just fine Local agreements working just fine Need for a permit (third-party lawsuits) Need for a permit (third-party lawsuits) Unnecessary monitoring and reporting Unnecessary monitoring and reporting Expensive lab analysis for clean water Expensive lab analysis for clean water Need for regulatory consistency and fairness Need for regulatory consistency and fairness Insufficient stakeholder involvement Insufficient stakeholder involvement Why do we need a permit for mandatory discharges? Why do we need a permit for mandatory discharges? Inefficient use of water board resources Inefficient use of water board resources 14 May 12, 2014 Stakeholder Workshop, San Diego, CA

15. 15 We Also Heard From You Need regulatory coverage for unplanned discharges Need regulatory coverage for unplanned discharges

16. Proposed Statewide Permit (Attachment A) Fulfill request of water districts/purveyors that do not have options through storm water permitsFulfill request of water districts/purveyors that do not have options through storm water permits Respect local agreements upheld by Regional Water BoardsRespect local agreements upheld by Regional Water Boards Provide one-stop-shop permit for planned and unplanned dischargesProvide one-stop-shop permit for planned and unplanned discharges 16 May 12, 2014 Stakeholder Workshop, San Diego, CA

17. Proposed Tiered Requirements (Attachment B) Tiered Requirements for Discharge AlternativesTiered Requirements for Discharge Alternatives Direct discharges to surface water bodies Direct discharges to surface water bodies Discharges to surface waters via municipal storm water collection systems Discharges to surface waters via municipal storm water collection systems Use of water for multiple benefits Use of water for multiple benefits Ground water infiltrationGround water infiltration IrrigationIrrigation Other reuseOther reuse 17 May 12, 2014 Stakeholder Workshop, San Diego, CA

18. Proposed Effluent Limitations (Attachment C) For direct discharges or discharges to storm drains fewer than 300 feet from receiving watersFor direct discharges or discharges to storm drains fewer than 300 feet from receiving waters Chlorine – Non-detect with reporting level of handheld or positive detection of dechlor agent Chlorine – Non-detect with reporting level of handheld or positive detection of dechlor agent Turbidity -To address debris/erosion from high velocity flows Turbidity -To address debris/erosion from high velocity flows No limits for other discharges to storm systemsNo limits for other discharges to storm systems Best management practices per guidance documents from AWWA, or equivalentBest management practices per guidance documents from AWWA, or equivalent 18

19. Proposed Monitoring and Reporting Effluent monitoring at discharge location onlyEffluent monitoring at discharge location only Representative monitoring for distribution systemsRepresentative monitoring for distribution systems Annual reporting and certificationAnnual reporting and certification Non-compliance reportingNon-compliance reporting Receiving water monitoring for direct discharges only, and only if not compliant with effluent limits and BMPsReceiving water monitoring for direct discharges only, and only if not compliant with effluent limits and BMPs Not duplicating storm water monitoringNot duplicating storm water monitoring 19

20. Proposed Exception to California Toxic Rule (CTR) and Ocean Plan Proposed resolution to except water purveyors from the California Toxic Rule and California Ocean Plan Proposed resolution to except water purveyors from the California Toxic Rule and California Ocean Plan For discharges from system activities mandated by the Safe Drinking Water Act and California Health and Safety Code For discharges from system activities mandated by the Safe Drinking Water Act and California Health and Safety Code Exception must be implemented through this statewide permit, or any other NPDES permit (including storm water permits) Exception must be implemented through this statewide permit, or any other NPDES permit (including storm water permits) 20 May 12, 2014 Stakeholder Workshop, San Diego, CA

21. Ground water rechargeGround water recharge Discharge to low impact developmentDischarge to low impact development ReuseReuse 21 Promoting Multiple Benefits

22. Conclusion Develop a permit that some of you needDevelop a permit that some of you need Develop a permit that some of you may need in the futureDevelop a permit that some of you may need in the future Develop a permit for protection of liability from third-party lawsuitsDevelop a permit for protection of liability from third-party lawsuits Grant statewide exceptions for mandatory activitiesGrant statewide exceptions for mandatory activities 22 May 12, 2014 Stakeholder Workshop, San Diego, CA

23. 23 For Further Information Contact Diana Messina diana.messina@waterboards.ca.gov May 12, 2014 Stakeholder Workshop, San Diego, CA