SAN LORENZO VALLEY WATER DIST
PWSID: CA4410014 · Boulder Creek, CA · Serves 21,145 people
SAN LORENZO VALLEY WATER DIST has 2 health-based violations out of 2 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
SAN LORENZO VALLEY WATER DIST (PWSID CA4410014) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 21,145 people in Boulder Creek, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 2 total violations, with 2 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Gross Alpha, Arsenic. Recorded violations span 1992–2024.
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)
- CA4410014
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Boulder Creek, CA
- Population Served
- 21,145
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Gross Alpha | 1 | 1 |
| Arsenic | 1 | 1 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Gross Alpha | Yes | Oct 17, 2024 |
| Arsenic | Yes | Jan 1, 1992 |
Frequently Asked Questions
Is SAN LORENZO VALLEY WATER DIST water safe to drink?
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What violations does SAN LORENZO VALLEY WATER DIST have?
What contaminants have been found in SAN LORENZO VALLEY WATER DIST 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.