CLEARLAKE OAKS COUNTY WATER DISTRICT
PWSID: CA1710001 · Clearlake Oak, CA · Serves 2,359 people
According to EPA Safe Drinking Water Information System (SDWIS), CLEARLAKE OAKS COUNTY WATER DISTRICT (PWSID CA1710001) in Clearlake Oak, CA is listed as a CWS water system covering about 2,359 people. The same extract lists 6 health-based violation records spanning 2021-2023. Those 6 health-based rows for CLEARLAKE OAKS COUNTY WATER DISTRICT cover contaminants such as TTHM; they remain historical EPA registry entries, not a current compliance or drinkability score.
CLEARLAKE OAKS COUNTY WATER DISTRICT has 6 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including TTHM. Recorded violations span 2021–2023. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA1710001
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Clearlake Oak, CA
- Population Served
- 2,359
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| TTHM | 6 | 6 |
Violation History (6)
Frequently Asked Questions
What does EPA SDWIS list for CLEARLAKE OAKS COUNTY WATER DISTRICT?
How many people does CLEARLAKE OAKS COUNTY WATER DISTRICT serve?
What violations does CLEARLAKE OAKS COUNTY WATER DISTRICT have?
What contaminants have been found in CLEARLAKE OAKS COUNTY WATER DISTRICT water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CLEARLAKE OAKS COUNTY WATER DISTRICT on cumulative violation count (6) and EPA-reported population served (2,359). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM. Population peers include BERESFORD, DAKOTA MAGIC CASINO, HICKORY-KERTON WTR COOP.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
Explore More
About This Data
CLEARLAKE OAKS COUNTY WATER DISTRICT (CA1710001) is drawn from EPA SDWIS. Nearby county systems in this extract include HIGHLANDS MUTUAL WATER COMPANY; HIDDEN VALLEY LAKE CSD; KONOCTI COUNTY WATER DISTRICT; LAKEPORT, CITY OF. Health-based rows (6 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.