Templates for Public Notification
The State of California's drinking water regulations require public notification under certain circumstances, including exceedance of maximum contaminant levels (MCLs) and maximum residual disinfectant levels (MRDLs). Water systems must contact the Division of Drinking Water's (DDW's) district office if public notification is required. Any notification must be approved by DDW prior to distribution or posting, unless otherwise directed by DDW.
The following templates can be used by public water systems to prepare notices for their customers and consumers.
Specific Tier 1 Notices
- Chlorine Dioxide Exceedance (English and Spanish)
- Chlorite MCL Exceedance (English | Spanish)
- E. coli MCL Exceedance (English and Spanish)
- Ground Water Rule - Fecal Indicator - Positive Source Sample (English and Spanish)
- Lead Action Level Exceedance (English | Spanish)
- Nitrate MCL Exceedance (English and Spanish)
- Perchlorate MCL Exceedance (English and Spanish)
- Turbidity Exceedance (English and Spanish)
- Waterborne Disease Outbreak (English and Spanish)
Tier 1 Problem Corrected Notice
Specific Tier 2 Notices
- 1,2,3-Trichloropropane (TCP) MCL Exceedance (English | Spanish)
- Arsenic MCL Exceedance (English | Spanish)
- Chemical or Radiological MCL Exceedance (English)
- Chromium (Hexavalent) MCL Exceedance
- Disinfection Byproducts (DBP) Rule - MCL - HAA5 (English | Spanish)
- Disinfection Byproducts (DBP) Rule - MCL - TTHM (English | Spanish)
- Fluoride MCL Exceedance (English)
- Ground Water Rule - Failure to Comply with Corrective Action Plan or Schedule (English)
- Ground Water Rule - Failure to Maintain 4-log Treatment of Viruses (English)
- Lead-Copper Rule Failure to Install Corrosion Control (English | Spanish)
- Stage 1 Disinfectants and Disinfection Byproducts (DBP) Rule - DBP Precursor Treatment (English)
- Surface Water Treatment Rule - Disinfection Treatment Violation (English)
- Surface Water Treatment Rule - Failure to Filter (English)
- Surface Water Treatment Rule - Turbidity Exceedance (English)
Specific Tier 3 Notice
- Monitoring Violations - Annual Notice (English)
Unsafe Water Notice Guidance
- Unsafe Water Notice Guidance (English)
Boil Water Notices
- Boil Water Notice (English | Spanish)
- What to Do During a Boil Water Advisory (English | Spanish)
- Boil Water Notice Cancellation (English | Spanish)
Do Not Drink/Use Notices
PFAS Notification Level and Response Level Exceedance Notices
- PFAS Notification Level Exceedance Notice (English)
- PFAS Response Level Exceedance Notice (English | Spanish)
Secondary MCL Exceedance Notices
- Manganese SMCL Exceedance LESS than or Equal to 0.3 mg/L (Aesthetics Advisory) (English | Spanish)
- Manganese SMCL Exceedance GREATER than 0.3 mg/L (Health Advisory) (English | Spanish)
Links and Drinking Water Contact Information
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Contact Us
State Water Resources Control Board
Division of Drinking Water
Regulatory Development Unit
Mailing Address:
P.O. Box 100
Sacramento, CA 95812-0100
Street Address:
1001 I Street
Sacramento, CA 95814
E-mail us at DDWRegUnit@waterboards.ca.gov.
