INVERNESS, CA · Marin County
INVERNESS PUBLIC UTILITY DIST Water System
Consumer Confidence Report status
INVERNESS PUBLIC UTILITY DIST must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for INVERNESS PUBLIC UTILITY DIST that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA2110001
- System type
- Community Water System
- Population served
- 1,445
- Service connections
- 519
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
INVERNESS PUBLIC UTILITY DIST is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 1,445 people from surface water.
As of August 1, 2026, its federal record holds 14 entries between 1998 and 2025, of which 1 remains open; none are health-based.
Of the 14, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 1 Disinfectants and Disinfection Byproducts Rule, the Lead and Copper Rule, and the Total Coliform Rules.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
July 1, 2011 – September 30, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
January 1, 2011 – March 31, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2010 – March 31, 2010
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2009 – December 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2009 – September 30, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2009 – June 30, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2009 – March 31, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2008 – December 31, 2008
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2007 – December 31, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2007 – September 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2006 – December 31, 2006
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2005 – December 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 1998 – May 31, 1998
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| July 1, 2011 – September 30, 2011 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2011 – March 31, 2011 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2010 – March 31, 2010 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2009 – December 31, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2009 – September 30, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2009 – June 30, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2009 – March 31, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2008 – December 31, 2008 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2007 – December 31, 2007 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2007 – September 30, 2007 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2006 – December 31, 2006 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2005 – December 31, 2005 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| May 1, 1998 – May 31, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- March 2, 2018State Compliance achieved60 linked violations
- April 15, 2011State Violation/Reminder Notice4 linked violations
- December 3, 2007State Administrative/Compliance Order without penalty issued3 linked violations
- March 14, 2007State Compliance achieved6 linked violations
- March 14, 2007State Administrative/Compliance Order without penalty issued3 linked violations
- November 20, 2006State Violation/Reminder Notice3 linked violations
- June 30, 1998State Compliance achieved6 linked violations
- February 4, 1994State Administrative/Compliance Order without penalty issued2 linked violations
- July 8, 1993State Administrative/Compliance Order without penalty issued2 linked violations
Common questions
Is INVERNESS PUBLIC UTILITY DIST required to publish a Consumer Confidence Report?
- Yes. INVERNESS PUBLIC UTILITY DIST is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is INVERNESS PUBLIC UTILITY DIST’s next Consumer Confidence Report due?
- INVERNESS PUBLIC UTILITY DIST’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does INVERNESS PUBLIC UTILITY DIST have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for INVERNESS PUBLIC UTILITY DIST that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
REDDING, SHELLEY
415-669-1414
INVERNESS, CA 94937