WOODLAND, CA · Yolo County
KNIGHTS LANDING SVC. DIST. Water System
Consumer Confidence Report status
KNIGHTS LANDING SVC. DIST. 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 1 open health-based violation for KNIGHTS LANDING SVC. DIST., alongside 1 other open item.
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)
- CA5710004
- System type
- Community Water System
- Population served
- 944
- Service connections
- 329
- Ownership
- local government
- Water source
- groundwater (wells)
KNIGHTS LANDING SVC. DIST. is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 944 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 2002 and 2024, of which 1 health-based item remains open, alongside 1 other open entry.
Of the 5, 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 Total Coliform Rules and the Lead and Copper Rule.
Violation history
LSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2015 – September 30, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2015 – August 31, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 2002 – February 28, 2002
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| September 1, 2015 – September 30, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2015 – August 31, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| February 1, 2002 – February 28, 2002 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- January 25, 2019State Compliance achieved5 linked violations
- October 12, 2015State Administrative/Compliance Order without penalty issued1 linked violation
- September 22, 2015State Compliance achieved2 linked violations
- February 4, 2003State Public Notification requested5 linked violations
Common questions
Is KNIGHTS LANDING SVC. DIST. required to publish a Consumer Confidence Report?
- Yes. KNIGHTS LANDING SVC. DIST. 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 KNIGHTS LANDING SVC. DIST.’s next Consumer Confidence Report due?
- KNIGHTS LANDING SVC. DIST.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does KNIGHTS LANDING SVC. DIST. have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for KNIGHTS LANDING SVC. DIST., alongside 1 other open item.
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
QUINTANA, JOSE M.
530-908-0166
WOODLAND, CA 95695