RIO DELL, CA · Humboldt County
RIO DELL, CITY OF Water System
Consumer Confidence Report status
RIO DELL, CITY OF 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 RIO DELL, CITY OF.
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)
- CA1210012
- System type
- Community Water System
- Population served
- 3,300
- Service connections
- 1,360
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
RIO DELL, CITY OF is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 3,300 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 1996, all of which EPA lists as closed. Nothing has been added since 1996.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1996 – October 31, 1996
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 1996 – October 31, 1996 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is RIO DELL, CITY OF required to publish a Consumer Confidence Report?
- Yes. RIO DELL, CITY OF 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 RIO DELL, CITY OF’s next Consumer Confidence Report due?
- RIO DELL, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RIO DELL, CITY OF have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RIO DELL, CITY OF.
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
JENSEN, RANDY
707-764-3541
RIO DELL, CA 95562