OAKHURST, CA · Madera County
ECCO Water System
Consumer Confidence Report status
ECCO 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 no open violations for ECCO.
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)
- CA2000688
- System type
- Community Water System
- Population served
- 100
- Service connections
- 20
- Ownership
- privately owned
- Water source
- groundwater (wells)
ECCO is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 100 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2010, all of which EPA lists as closed. Nothing has been added since 2010.
All 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 inorganic chemicals.
Violation history
Monitoring, Regular
—Nitrate
January 1, 2010 – December 31, 2010
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2010 – December 31, 2010 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 13, 2023State Compliance achieved1 linked violation
- October 13, 2023State Formal Notice of Violation issued1 linked violation
- January 7, 2021State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- January 5, 2021State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- September 7, 2018State Compliance achieved1 linked violation
- June 26, 2018State Formal Notice of Violation issued1 linked violation
- March 19, 2018State Compliance achieved3 linked violations
- October 27, 2017State Compliance achieved2 linked violations
- October 27, 2017State Formal Notice of Violation issued2 linked violations
- October 27, 2017State Public Notification requested2 linked violations
- January 31, 2017State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- April 29, 2015State Public Notification requested2 linked violations
- February 17, 2015State Compliance achieved1 linked violation
- February 5, 2015State Compliance achieved3 linked violations
- August 12, 2014State Administrative/Compliance Order without penalty issued3 linked violations
- August 12, 2014State Public Notification requested3 linked violations
- August 12, 2014State Public Notification requested2 linked violations
- August 12, 2014State Violation/Reminder Notice2 linked violations
- August 12, 2014State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- July 30, 2010State Compliance achieved1 linked violation
Common questions
Is ECCO required to publish a Consumer Confidence Report?
- Yes. ECCO 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 ECCO’s next Consumer Confidence Report due?
- ECCO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ECCO have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ECCO.
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
MIKE, ROBERTS
559-683-8162
OAKHURST, CA 93644