GSWC - SOUTHWEST
PWSID: CA1910155 · Hawthorne, CA · Serves 277,740 people
According to EPA Safe Drinking Water Information System (SDWIS), GSWC - SOUTHWEST (PWSID CA1910155) in Hawthorne, CA is listed as a CWS water system covering about 277,740 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 GSWC - SOUTHWEST; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
GSWC - SOUTHWEST 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)
- CA1910155
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Hawthorne, CA
- Population Served
- 277,740
- Health Violations
- None
No Violations on Record
GSWC - SOUTHWEST has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for GSWC - SOUTHWEST?
How many people does GSWC - SOUTHWEST serve?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest GSWC - SOUTHWEST on cumulative violation count (0) and EPA-reported population served (277,740). Population peers include MOBILE, BD. OF W&S COMM. OF THE CITY OF, MONTGOMERY WW&SSB, CITY OF, BUFFALO WATER AUTHORITY.
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
GSWC - SOUTHWEST (CA1910155) is drawn from EPA SDWIS. Nearby county systems in this extract include LOS ANGELES-CITY, DEPT. OF WATER & POWER; LONG BEACH UTILITIES DEPARTMENT; SANTA CLARITA VALLEY WATER AGENCY; LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER. 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.