Lakeport, 09
Big Valley Rancheria Water District Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.
System facts
- System ID (PWSID)
- 090605164
- System type
- Community Water System
- Population served
- 417
- Service connections
- 49
- Ownership
- Native American tribal
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Nitrite
January 1, 2025 – December 31, 2025
ArchivedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2018 – December 31, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2004 – May 31, 2004
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2025 – December 31, 2025 | Monitoring, Regular | Nitrite | — | Archived |
| July 1, 2018 – December 31, 2018 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| May 1, 2004 – May 31, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- August 1, 2019Federal Compliance achieved1 linked violation
- April 9, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 9, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 9, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 9, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 9, 2014Federal Compliance achievedgeneral compliance action — not tied to a specific violation on record
- December 19, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 1, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 20, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 20, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 16, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 15, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 7, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 24, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- February 17, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 6, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 6, 2011Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 16, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 16, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 3, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 16, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 18, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 18, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 24, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 14, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 11, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 11, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 8, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 14, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 14, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 5, 2010Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 2, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 24, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 17, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 16, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 16, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 26, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 25, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 24, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 16, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 10, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 26, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 25, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 29, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 29, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 18, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 15, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 19, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 19, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 13, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 11, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 4, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 4, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 3, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- February 12, 2009Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 17, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 19, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 13, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 12, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 5, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 11, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 24, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 23, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 23, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 23, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 10, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 14, 2008Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 19, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 19, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 11, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 11, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 24, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 24, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 10, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 11, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 30, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 24, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 17, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 10, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 10, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 6, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 20, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 20, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 5, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 28, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 25, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 25, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 13, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 30, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 23, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 9, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- May 9, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 12, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 5, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 28, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 23, 2007Federal Compliance achieved1 linked violation
- March 21, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 15, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- March 8, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- February 14, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- February 7, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 31, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 31, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 24, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 24, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 23, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 18, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 10, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 3, 2007Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 20, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 14, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 12, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 12, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- December 6, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 28, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 22, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 15, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- November 8, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 25, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 25, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 18, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 12, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 11, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 5, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 4, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- October 4, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 27, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- September 13, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- August 30, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 7, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 27, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 13, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 1, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- June 1, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 28, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- April 28, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- February 10, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 25, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 25, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- January 13, 2006Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 27, 2005Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
- July 26, 2005Federal Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
Contact
Big Valley Band of Pomo Indians
7072633924
Lakeport, CA 95453