PASO ROBLES, CA · San Luis Obispo County
GREEN RIVER MUTUAL WATER CO. Water System
Consumer Confidence Report status
GREEN RIVER MUTUAL WATER CO. 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 GREEN RIVER MUTUAL WATER CO..
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)
- CA4000554
- System type
- Community Water System
- Population served
- 350
- Service connections
- 124
- Ownership
- privately owned
- Water source
- groundwater (wells)
GREEN RIVER MUTUAL WATER CO. is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 350 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 1980 and 1982, all of which EPA lists as closed. Nothing has been added since 1982.
Of the 5, 2 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 the Radionuclides and Revised Rad Rule, the Miscellaneous Other Rules, and inorganic chemicals.
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedSelenium
March 2, 1982 – March 1, 1983
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
ArchivedNotification, Public
—No contaminant on record
July 30, 1980 – August 29, 1980
ArchivedNotification, Public
—No contaminant on record
January 30, 1980 – February 29, 1980
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 2, 1982 – March 1, 1983 | Maximum Contaminant Level Violation, Single Sample | Selenium | Health-based | Archived |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 30, 1980 – October 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 30, 1980 – August 29, 1980 | Notification, Public | — | — | Archived |
| January 30, 1980 – February 29, 1980 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is GREEN RIVER MUTUAL WATER CO. required to publish a Consumer Confidence Report?
- Yes. GREEN RIVER MUTUAL WATER CO. 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 GREEN RIVER MUTUAL WATER CO.’s next Consumer Confidence Report due?
- GREEN RIVER MUTUAL WATER CO.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GREEN RIVER MUTUAL WATER CO. have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for GREEN RIVER MUTUAL WATER CO..
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
SCOGGINS, ALLEN
805-430-5675
PASO ROBLES, CA 93446