CAL-WATER SERVICE CO.-CHICO
PWSID: CA0410002 · San Jose, CA · Serves 114,925 people
CAL-WATER SERVICE CO.-CHICO has 4 health-based violations out of 4 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
CAL-WATER SERVICE CO.-CHICO (PWSID CA0410002) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 114,925 people in San Jose, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 4 total violations, with 4 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Contaminant 2987. Recorded violations span 1998–1998.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time 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)
- CA0410002
- System Type
- CWS
- Water Source
- Groundwater
- Location
- San Jose, CA
- Population Served
- 114,925
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Contaminant 2987 | 4 | 4 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Contaminant 2987 | Yes | Dec 1, 1998 |
| Contaminant 2987 | Yes | Dec 1, 1998 |
| Contaminant 2987 | Yes | Dec 1, 1998 |
| Contaminant 2987 | Yes | Dec 1, 1998 |
Frequently Asked Questions
Is CAL-WATER SERVICE CO.-CHICO water safe to drink?
How many people does CAL-WATER SERVICE CO.-CHICO serve?
What violations does CAL-WATER SERVICE CO.-CHICO have?
What contaminants have been found in CAL-WATER SERVICE CO.-CHICO water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.