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Recycled water why so many methods- share

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Recycled water monitoring requirements become increasingly more complex with the type of reuse application. This presentation takes a look at the water regulations and policy, along with analytical ...

Recycled water monitoring requirements become increasingly more complex with the type of reuse application. This presentation takes a look at the water regulations and policy, along with analytical methods and laboratory accreditation, that influence permit monitoring requirements.

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  • If there is unlined pond storage with the potential for groundwater recharge then priority pollutants can be required.

Recycled water  why so many methods- share Recycled water why so many methods- share Presentation Transcript

  • CWEA Spring ConferenceApril 16-19, 2013Palm Springs, CA Allison Mackenzie Chief Executive Officer Babcock Laboratories, Inc. Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Regulatory Background ◦ Drinking Water ◦ Wastewater ◦ Recycled Water Laboratory Accreditation ◦ Drinking Water ◦ Wastewater ◦ Resource Conservation Recovery Act Recycled Water Monitoring ◦ Irrigation ◦ Indirect Potable Reuse Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Drinking Water ◦ Safe Drinking Water Act (1974)  Establish national primary and secondary drinking water regulations ◦ California Dept. of Public Health  Regulation of Drinking Water  Establish Maximum Contaminant Levels (MCL) ◦ Cal/EPA Office of Env. Health Hazard Assessment (OEHHA)  Establish Public Health Goals (PHG) Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Wastewater ◦ Clean Water Act first passed in 1972  Control water pollution and protect surface water  National Pollutant Discharge Elimination System (NPDES) permits ◦ California Porter-Cologne Water Quality Control Act passed in1969  State Water Resources Control Board (State Board) responsible for water rights and water quality policy.  RWQCBs responsible for NPDES permits and Waste Discharge Requirements (WDR) Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Recycled Water ◦ National Policy  USEPA Guidelines for Water Reuse (updated 2012) ◦ California State Policy  Recycled Policy amended in 2013  Roles of CDPH, SWRCB, RWQCB, CDWR, CPUC  Inclusion of Constituents of Emerging Concern (CEC)  MOA between SWRCB & CDPH establishing responsibilities Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Recycled Water Responsibilities ◦ California Dept. Public Health  Establish water reclamation criteria  Advise Regional Water Quality Control Boards  Review & Approve Projects  Control of Cross Connections  Abatement of contamination resulting from use where public health is at risk Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Recycled Water Responsibilities ◦ State Water Resources Control Board  Protect, coordinate and control water quality  Assignment of water rights ◦ RWQCBs  Evaluate reclamation projects  Establish requirements  Issue permits  Enforce water reclamation requirements ◦ Local health agencies and ordinances Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Drinking Water Program ◦ requires use of certified/accredited lab ◦ National Environmental Laboratory Accreditation Program (NELAP) ◦ CA Environmental Laboratory Accreditation Program (ELAP) WDRs and NPDES Permits in CA ◦ Usually require labs to be NELAP/ELAP certified/approved ◦ Can contain language allowing for non-certified labs to be used with approval of Executive Officer Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA NELAP & ELAP Accreditation ◦ Fields of Testing: Microbiology, Inorganic Chemistry, Toxic Chemical Elements (metals), Volatile Organics, Semi-volatile Organics ◦ Matrix Specific: DW, WW, Hazardous Waste ◦ Method Specific  Examples  Drinking Water uses 500 series methods  Wastewater uses 600 series methods  RCRA uses 8000 series methods  EPA Region IX can give permission for use of alternative test methods Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CABabcock Laboratories, Inc.www.babcocklabs.com951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA◦ Excerpt from Drinking Water Certification Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA◦ Excerpt from Wastewater Certification Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Analytical Methods ◦ Written for the specific programs ◦ Validated by EPA labs for specific matrices, ie drinking water, wastewater, hazardous waste ◦ Modifications of methods are not allowed under NELAP and must be flagged on reports as non- accredited ◦ Generally discouraged by lab auditors Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Master Permit (incl. producer & users) Irrigation ◦ Low chance of reaching aquifers/groundwater  Prevent public contact & cross connections  Tertiary Effluent  Typical pollutants and methods  Total Coliforms  Biochemical Oxygen Demand  Total Suspended & Dissolved Solids  May include monitoring wells Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Groundwater Recharge ◦ Two general types  Direct Injection Wells  Spreading basin (ponds) ◦ Monitoring Requirements  Priority Pollutants-Metals, Organics, etc.  Drinking Water Title 22 Primary and Secondary Standards-Metals, VOCs, SOCs, Radioactivity, Unregulated Chemicals  Constituents of Emerging Concern (CEC)- Pharmaceuticals, Personal Care Products, Industrial and Household Chemicals Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Monitoring & Reporting Program ◦ Chino Basin Recycled Water Groundwater Recharge Program  Recycled Water Limitations  Drinking Water MCLs for Metals, VOCs, SOCs, Radionuclides, TTHM, HAA5, Bromate, Chlorite, etc.  Total Coliforms (MPN), Turbidity, TDS, TIN, TOC  Methods by inference to regulation (DW MCLs & 40 CFR Part 136)  Reporting levels acceptable to CDPH, recycled water quality for unregulated chemicals, State notification levels, CECs per CDPH  Lab must be ELAP certified Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Monitoring & Reporting Program ◦ Chino Basin Recycled Water Groundwater Recharge Program  Monitoring Requirements  Drinking Water Regulated Metals, VOCs, SOCs, Radionuclides, TTHM, HAA5, Bromate, Chlorite, etc.  Total Coliforms (MPN), Turbidity, TDS, TIN, TOC  Unregulated Chemicals  Remaining Priority Pollutants Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Monitoring & Reporting Program ◦ Chino Basin Recycled Water Groundwater Recharge Program  Laboratory Report  Drinking Water MCLs  EPA 200.7/200.8 for metals  EPA 524 & 504 for volatiles  EPA 507, 508, 515, 531, 547, 525, etc. for SOC’s  EPA 218, EPA 300.1, EPA 6251, EPA 521 for Disinfection & Unreg Chem  Constituents of Emerging Concern  EPA 1694 and evolving similar analytical techniques (LC/MS/MS)  Remaining Priority Pollutants  40 CFR Part 136  EPA 608  EPA 624  EPA 625 Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Monitoring & Reporting Program ◦ Overlap of target analytes between methods  EPA 508 & EPA 608 (Organochlorine Pesticides & PCBs)  Methods end up in different solvents  EPA 524 & EPA 624 (VOCs)  EPA 525 & EPA 625 (Semivolatile Organics)  Solid phase versus liquid-liquid extraction ◦ Meeting DW & 40 CFR Part 136 for “remaining priority pollutants” requires reporting of similar methods. Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Summary ◦ Recycled Water Policy includes participation from a variety of agencies ◦ Different programs and applications require their own methods and analytes to meet regulations ◦ Lab Accreditation is by method and matrix ◦ Permits attempt to cover as much as possible, even chemicals of concern that do not appear on any previously regulated methods Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351
  • CWEA Spring Conference April 16-19, 2013 Palm Springs, CA Questions? ◦ Allison Mackenzie ◦ Chief Executive Officer ◦ Babcock Laboratories, Inc. ◦ 6100 Quail Valley Ct. ◦ Riverside, CA 92508 ◦ 951-653-3351 ext. 230 ◦ amackenzie@babcocklabs.com Babcock Laboratories, Inc. www.babcocklabs.com 951-653-3351