Overview of Drinking Water Regulations

Upon completion of this course, learners will be able to:

List…

✓ the main points of SDWA amendments

✓ drinking water regulations in chronological order

✓ maximum contaminant levels or action levels of regulated constituents

✓ contaminants with USEPA health advisories

✓ constituents with California-specific MCLs

✓ constituents with California-exclusive secondary MCLs

✓ the requirements specified in California Waterworks Standards

Recognize…

✓ the requirements of SWTR and IESWTR

Define…

✓ public water systems

✓ MCL, MCLG, and TT

Describe…

✓ rule primacy

✓ potential health effects from exposures above the MCLs

✓ how California adopts MCLs

Explain…

✓ why SDWA was created

✓ the purpose of Stage 1 and Stage 2 Disinfectants and Disinfection By-product Rules

✓ the purpose of Lead and Copper Rule

✓ the purpose of Groundwater Rule

✓ CCL and UCMR

✓ why notification levels are established

✓ the intention of Cryptosporidium Action Plan

Identify…

✓ when SDWA was created

✓ recently established California notification levels

Interpret…

✓ water quality reports relative to drinking water regulations

Apply…

✓ the Filter Backwash Recycling Rule

Distinguish…

✓ primary and secondary drinking water standards

Assess…

✓ performance standards and removal requirements for surface water treatment

A. SAFE DRINKING WATER ACT (SDWA)     

B. FEDERAL DRINKING WATER REGULATIONS     

1. National Primary Drinking Water Regulations     

1.a. Total Trihalomethanes     

1.b. Fluoride     

1.c. Phase I Standards     

1.d. Total Coliform Rule     

1.e. Surface Water Treatment Rule     

1.f. Phase II Standards     

1.g. Lead and Copper Rule     

1.h. Phase V Standards     

1.i. Stage 1 Disinfectants and Disinfection Byproducts Rule (D/DBP Rule)     

1.j. Interim Enhanced Surface Water Treatment Rule (IESWTR)     

1.k. Radionuclides Rule     

1.l. Filter Backwash Recycling Rule     

1.m. Arsenic Rule     

1.n. Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR)     

1.o. Stage 2 Disinfectants and Disinfection Byproducts Rule (D/DBP Rule)     

1.p. Ground Water Rule     

1.q. Revisions to Lead and Copper Rule     

1.r. Airline Drinking Water Rule     

1.s. Revised Total Coliform Rule     

2. Secondary Drinking Water Regulations     

3. Drinking Water Contaminant Candidate List/Unregulated Contaminant Monitoring Rule     

C. CALIFORNIA SPECIFIC DRINKING WATER REGULATIONS     

1. California-specific MCLs     

2. Constituents with California Notification Levels     

3. California-exclusive Secondary Maximum Contaminant Levels (SMCL)

4. California Waterworks Standards

5. Cryptosporidium Action Plan

OVERVIEW OF DRINKING WATER REGULATIONS QUIZ     

Temperature Converter

Areas and Volumes 

Flow Conversion