DENAIR, CA · Stanislaus County
DENAIR COMMUNITY SERVICES DISTRICT Water System
Consumer Confidence Report status
DENAIR COMMUNITY SERVICES DISTRICT 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 DENAIR COMMUNITY SERVICES DISTRICT.
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)
- CA5010021
- System type
- Community Water System
- Population served
- 5,090
- Service connections
- 1,711
- Ownership
- local government
- Water source
- groundwater (wells)
DENAIR COMMUNITY SERVICES DISTRICT is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 5,090 people from groundwater.
As of August 1, 2026, its federal record holds 8 entries between 1987 and 1988, all of which EPA lists as closed. Nothing has been added since 1988.
Of the 8, 6 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 and the Miscellaneous Other Rules.
Violation history
Monitoring, Regular
—Arsenic
October 1, 1988 – October 31, 1988
ArchivedNotification, Public
—No contaminant on record
October 1, 1988 – October 31, 1988
ArchivedMonitoring, Regular
—Nitrate
October 1, 1988 – October 31, 1988
ArchivedMonitoring, Regular
—Nitrate
August 1, 1987 – August 31, 1987
ArchivedMonitoring, Regular
—Arsenic
August 1, 1987 – August 31, 1987
ArchivedMonitoring, Regular
—Selenium
August 1, 1987 – August 31, 1987
ArchivedNotification, Public
—No contaminant on record
August 1, 1987 – August 31, 1987
ArchivedMonitoring, Regular
—Fluoride
August 1, 1987 – August 31, 1987
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 1988 – October 31, 1988 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1988 – October 31, 1988 | Notification, Public | — | — | Archived |
| October 1, 1988 – October 31, 1988 | Monitoring, Regular | Nitrate | — | Archived |
| August 1, 1987 – August 31, 1987 | Monitoring, Regular | Nitrate | — | Archived |
| August 1, 1987 – August 31, 1987 | Monitoring, Regular | Arsenic | — | Archived |
| August 1, 1987 – August 31, 1987 | Monitoring, Regular | Selenium | — | Archived |
| August 1, 1987 – August 31, 1987 | Notification, Public | — | — | Archived |
| August 1, 1987 – August 31, 1987 | Monitoring, Regular | Fluoride | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 17, 2019State Compliance achieved20 linked violations
- May 25, 1994State Public Notification requested17 linked violations
Common questions
Is DENAIR COMMUNITY SERVICES DISTRICT required to publish a Consumer Confidence Report?
- Yes. DENAIR COMMUNITY SERVICES DISTRICT 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 DENAIR COMMUNITY SERVICES DISTRICT’s next Consumer Confidence Report due?
- DENAIR COMMUNITY SERVICES DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DENAIR COMMUNITY SERVICES DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for DENAIR COMMUNITY SERVICES DISTRICT.
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
DOERKSEN, GLENN
209-634-4986
DENAIR, CA 95316