HIGUERA APARTMENTS
PWSID: CA4000563 · San Luis Obispo, CA · Serves 30 people
HIGUERA APARTMENTS has 32 health-based violations out of 32 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
HIGUERA APARTMENTS (PWSID CA4000563) 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 30 people in San Luis Obispo, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 32 total violations, with 32 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Nitrate, Gross Alpha. Recorded violations span 2017–2025.
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)
- CA4000563
- System Type
- CWS
- Water Source
- Groundwater
- Location
- San Luis Obispo, CA
- Population Served
- 30
- Health Violations
- Yes (32)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 31 | 31 |
| Gross Alpha | 1 | 1 |
Violation History (32)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate | Yes | Jul 1, 2025 |
| Nitrate | Yes | Apr 1, 2025 |
| Nitrate | Yes | Apr 1, 2025 |
| Nitrate | Yes | Jan 1, 2025 |
| Nitrate | Yes | Jan 1, 2025 |
| Gross Alpha | Yes | Oct 17, 2024 |
| Nitrate | Yes | Oct 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Oct 1, 2023 |
| Nitrate | Yes | Oct 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Apr 1, 2023 |
| Nitrate | Yes | Apr 1, 2023 |
| Nitrate | Yes | Jan 1, 2023 |
| Nitrate | Yes | Jan 1, 2023 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Jul 1, 2022 |
| Nitrate | Yes | Jul 1, 2022 |
| Nitrate | Yes | Apr 1, 2022 |
| Nitrate | Yes | Apr 1, 2022 |
| Nitrate | Yes | Jan 1, 2022 |
| Nitrate | Yes | Oct 1, 2021 |
| Nitrate | Yes | Jul 1, 2021 |
| Nitrate | Yes | Apr 5, 2021 |
| Nitrate | Yes | Jan 1, 2017 |
Frequently Asked Questions
Is HIGUERA APARTMENTS water safe to drink?
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What violations does HIGUERA APARTMENTS have?
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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.