SAN LUIS OBISPO WATER DEPARTMENT
PWSID: CA4010009 · San Luis Obispo, CA · Serves 47,788 people
According to EPA Safe Drinking Water Information System (SDWIS), SAN LUIS OBISPO WATER DEPARTMENT (PWSID CA4010009) in San Luis Obispo, CA is listed as a CWS water system covering about 47,788 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 SAN LUIS OBISPO WATER DEPARTMENT; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
SAN LUIS OBISPO WATER DEPARTMENT 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)
- CA4010009
- System Type
- CWS
- Water Source
- Surface Water
- Location
- San Luis Obispo, CA
- Population Served
- 47,788
- Health Violations
- None
No Violations on Record
SAN LUIS OBISPO WATER DEPARTMENT has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for SAN LUIS OBISPO WATER DEPARTMENT?
How many people does SAN LUIS OBISPO WATER DEPARTMENT serve?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest SAN LUIS OBISPO WATER DEPARTMENT on cumulative violation count (0) and EPA-reported population served (47,788). Population peers include HOLLEY-NAVARRE WATER SYSTEM, NEW KENSINGTON MUNI AUTH, JOINT MUNICIPAL WSC (SC3220003).
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
SAN LUIS OBISPO WATER DEPARTMENT (CA4010009) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF PASO ROBLES WATER DIVISION; ATASCADERO MUTUAL WATER CO; CITY OF ARROYO GRANDE UTILITIES DIVISION; CALIFORNIA MENS COLONY. 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.