Public water system record
Golden State Water Company - South Shore
Serves an area of Lake County, CA · 30 people served
Federal records show 21 health-based violations and 1 monitoring/reporting issue for Golden State Water Company - South Shore in the last ten years. The most serious issue in this window was a Haloacetic Acids (HAA5) violation that EPA lists as archived, not resolved.
System profile
Source water
Surface water
ZIP
95670
EPA system ID
CA1700519
- Health-based violations, last 10 years
- 21
- Resolved
- 2
- Unresolved
- 0
- Archived by EPA
- 19
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Golden State Water Company - South Shore draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 147.5 µg/L, federal limit 60 µg/L (2.5 times the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by California, April 2021.
- Record on file since 1993, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24 service lines.
Check whether Golden State Water Company - South Shore 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 87.17 µg/L, federal limit 60 µg/L (1.5 times the limit)
|
220 | Jul 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 112.3 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
220 | Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 112.31 µg/L, federal limit 60 µg/L (1.9 times the limit)
|
220 | Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 110.435 µg/L, federal limit 60 µg/L (1.8 times the limit)
|
220 | Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0785 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Apr 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0848 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Oct 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0935 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
|
220 | Jul 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
|
220 | Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 124.3 µg/L, federal limit 60 µg/L (2.1 times the limit)
|
220 | Jan 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 137 µg/L, federal limit 60 µg/L (2.3 times the limit)
|
220 | Oct 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 147.5 µg/L, federal limit 60 µg/L (2.5 times the limit)
|
220 | Jul 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 140 µg/L, federal limit 60 µg/L (2.3 times the limit)
|
220 | Apr 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 101.1 µg/L, federal limit 60 µg/L (1.7 times the limit)
|
220 | Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 83.23 µg/L, federal limit 60 µg/L (1.4 times the limit)
|
220 | Oct 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 65.93 µg/L, federal limit 60 µg/L (1.1 times the limit)
|
220 | Jul 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.076 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Oct 1, 2016 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 |
Active
Enforcement action in place
|
Full record since 1993
EPA's records for Golden State Water Company - South Shore go back to 1993. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 17 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 5 |
| 2000s | 1 | 9 |
| 2010 to October 18, 2016 | 6 | 3 |
| October 19, 2016 to 2019 | 10 | 0 |
| 2020s | 9 | 1 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2016, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.076 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 108 µg/L, federal limit 80 µg/L (1.4 times the limit)
|
Apr 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 71 µg/L, federal limit 60 µg/L (1.2 times the limit)
|
Apr 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Apr 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Jan 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2002 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1994 | Resolved |
Enforcement actions
California regulators took 19 formal enforcement actions against Golden State Water Company - South Shore between 1999 and 2021. The most recent was a compliance order (no penalty) in April 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 19, 2021 | California | Compliance order (no penalty) | 7 violations (7 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Jan 11, 2021 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Aug 3, 2020 | California | Compliance order (no penalty) | 3 violations (3 health-based): Haloacetic Acids (HAA5) |
| Nov 19, 2018 | California | Compliance order (no penalty) | 12 violations (12 health-based): Haloacetic Acids (HAA5) |
| Sep 15, 2016 | California | Compliance order (no penalty) | 4 violations (4 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| May 9, 2013 | California | Compliance order (no penalty) | 2 violations (2 health-based): Total Trihalomethanes (TTHMs) |
| Dec 21, 2011 | California | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
| Aug 15, 2011 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Apr 12, 2010 | California | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
| Dec 22, 2008 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Aug 1, 2008 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Aug 30, 2004 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Dec 1, 2003 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Jul 29, 2002 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Feb 21, 2002 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Oct 4, 2000 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Oct 19, 1999 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Mar 4, 1999 | California | Administrative penalty | 1 violation: Miscellaneous Other Rules |
| Jan 22, 1999 | California | Administrative penalty | 1 violation: Miscellaneous Other Rules |
What the violations mean
Haloacetic Acids (HAA5)
19 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Total Trihalomethanes (TTHMs)
2 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Golden State Water Company - South Shore draws water from 1 surface water intake.
Annual water quality report
Golden State Water Company - South Shore 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Golden State Water Company - South Shore for a copy.
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 California.
Certified drinking water labs by state EPA guidance for private wells