Public water system record
GSWC - Norwalk
Serves Norwalk and South Whittier, Los Angeles County, CA · 43,176 people served
Federal records show no health-based violations and no monitoring or reporting issues for GSWC - Norwalk in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- GSWC - Norwalk draws water from 7 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1988, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 9,549 service lines.
Check whether GSWC - Norwalk serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1988
EPA's records for GSWC - Norwalk go back to 1988. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
Where the water comes from
GSWC - Norwalk draws water from 7 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Metropolitan Water Dist. of So. Cal. It also has emergency connections to Liberty Utilities - Bellflower-Norwalk, Suburban Water Systems-La Mirada, Norwalk - City, Water Dept. and Santa Fe Springs - City, Water Dept. 2 other public water systems have emergency connections to GSWC - Norwalk.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Emergency or part-time connections to
- Liberty Utilities - Bellflower-Norwalk Downey, CA
- Suburban Water Systems-La Mirada Covina, CA
- Norwalk - City, Water Dept. Norwalk, CA
- Santa Fe Springs - City, Water Dept. Santa Fe Springs, CA
Annual water quality report
GSWC - Norwalk must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells