COTTONWOOD, CA · Shasta County
COTTONWOOD WATER DISTRICT Water System
Consumer Confidence Report status
COTTONWOOD WATER 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 COTTONWOOD WATER 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)
- CA4510007
- System type
- Community Water System
- Population served
- 3,316
- Service connections
- 1,235
- Ownership
- local government
- Water source
- groundwater (wells)
COTTONWOOD WATER DISTRICT is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 3,316 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries in 2024, all of which EPA lists as closed.
Of the 2, 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 the Lead and Copper Rule.
Violation history
LSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024 – March 12, 2026
ResolvedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – March 12, 2026
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 – March 12, 2026 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| October 17, 2024 – March 12, 2026 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 10, 2025State Administrative/Compliance Order without penalty issued5 linked violations
- June 8, 2004State Violation/Reminder Notice10 linked violations
Common questions
Is COTTONWOOD WATER DISTRICT required to publish a Consumer Confidence Report?
- Yes. COTTONWOOD WATER 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 COTTONWOOD WATER DISTRICT’s next Consumer Confidence Report due?
- COTTONWOOD WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does COTTONWOOD WATER DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for COTTONWOOD WATER 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
HOLLMER, JOHN
530-347-3472
COTTONWOOD, CA 96022