Public water system record
Santa Rosa Rancheria
Serves an area of Kings County, CA · 1,000 people served
Federal records show no health-based violations and 35 monitoring/reporting issues for Santa Rosa Rancheria in the last ten years.
System profile
Source water
Purchased groundwater
ZIP
93245
EPA system ID
090600148
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 35
Key facts
- Santa Rosa Rancheria buys its water from Santa Rosa Tachi Palace.
- Most recent formal enforcement: signed compliance agreement by EPA, October 2010.
- Record on file since 1991, with 25 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 251 service lines.
Check whether Santa Rosa Rancheria serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Mar 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Feb 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2025 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jun 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1991
EPA's records for Santa Rosa Rancheria go back to 1991. Before October 19, 2016 they list 25 health-based violations (25 resolved) and 56 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 17 |
| 2000s | 9 | 36 |
| 2010 to October 18, 2016 | 16 | 3 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 33 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2014, Resolved.
Show all 25 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1279 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
|
Jan 1, 2014 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.175 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
|
Jul 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.175 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.165 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1775 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1875 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
Jul 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.2075 mg/L, federal limit 0.08 mg/L (2.6 times the limit)
|
Apr 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.195 mg/L, federal limit 0.08 mg/L (2.4 times the limit)
|
Jan 1, 2012 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.2025 mg/L, federal limit 0.08 mg/L (2.5 times the limit)
|
Oct 1, 2011 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.185 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
Jul 1, 2011 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1675 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Apr 1, 2011 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1825 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
Jan 1, 2011 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1625 mg/L, federal limit 0.08 mg/L (2 times the limit)
|
Oct 1, 2010 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1675 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Jul 1, 2010 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.155 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
|
Apr 1, 2010 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.16 mg/L, federal limit 0.08 mg/L (2 times the limit)
|
Jan 1, 2010 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1675 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Oct 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.16 mg/L, federal limit 0.08 mg/L (2 times the limit)
|
Jul 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.18667 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
Apr 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.18667 mg/L, federal limit 0.08 mg/L (2.3 times the limit)
|
Jan 1, 2009 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.164 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Oct 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.164 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
|
Jul 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1465 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
|
Apr 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.13533 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
|
Jan 1, 2008 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
Oct 1, 2007 | Resolved |
Enforcement actions
EPA took 1 formal enforcement action against Santa Rosa Rancheria in 2010, filed as 27 records in EPA's data. The most recent was a signed compliance agreement in October 2010.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 12, 2010 | EPA | Signed compliance agreement | 27 violations (23 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
Where the water comes from
Santa Rosa Rancheria buys its water from Santa Rosa Tachi Palace. It lists no wells or intakes of its own.
Buys water from
- Santa Rosa Tachi Palace Lemoore, CA
Annual water quality report
Santa Rosa Rancheria must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 9.
Certified drinking water labs by state EPA guidance for private wells