Colusa Northern System
PWSID: 090605046 · Colusa, CA · Serves 67 people
According to EPA Safe Drinking Water Information System (SDWIS), Colusa Northern System (PWSID 090605046) in Colusa, CA is listed as a CWS water system covering about 67 people. PlainEnviro's health-based extract shows zero health-based violation records for this system. PlainEnviro's extract shows zero health-based violation rows for Colusa Northern System; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
Colusa Northern System has no health-based violation records in PlainEnviro's EPA SDWIS extract. This does not establish current safety or compliance.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. No contaminant code appears in the extract. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- 090605046
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Colusa, CA
- Population Served
- 67
- Health Violations
- None
No Violations on Record
Colusa Northern System has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for Colusa Northern System?
How many people does Colusa Northern System serve?
Nearby Water Systems
Explore More
About This Data
Colusa Northern System (090605046) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF COLUSA; CITY OF WILLIAMS; Colusa Southern System; ARBUCKLE PUBLIC UTILITY DISTRICT. Health-based rows (none listed) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.