HIGUERA APARTMENTS
PWSID: CA4000563 · San Luis Obispo, CA · Serves 30 people
According to EPA Safe Drinking Water Information System (SDWIS), HIGUERA APARTMENTS (PWSID CA4000563) in San Luis Obispo, CA is listed as a CWS water system covering about 30 people. The same extract lists 34 health-based violation records spanning 2017-2025. Those 34 health-based rows for HIGUERA APARTMENTS cover contaminants such as Nitrate, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
HIGUERA APARTMENTS has 34 health-based violation records in this historical extract. Monitoring and reporting records are not included.
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. 2 distinct EPA contaminant codes appear in this system's record, including Nitrate, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2017–2025. 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)
- CA4000563
- System Type
- CWS
- Water Source
- Groundwater
- Location
- San Luis Obispo, CA
- Population Served
- 30
- Health Violations
- Yes (34)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 33 | 33 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (34)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate | Yes | Oct 1, 2025 |
| 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 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Nitrate | Yes | Oct 1, 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
What does EPA SDWIS list for HIGUERA APARTMENTS?
How many people does HIGUERA APARTMENTS serve?
What violations does HIGUERA APARTMENTS have?
What contaminants have been found in HIGUERA APARTMENTS water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HIGUERA APARTMENTS on cumulative violation count (34) and EPA-reported population served (30). Violation-count peers include SCUA Bylas, SCAMMON BAY WATER SYSTEM, SHISHMAREF WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
HIGUERA APARTMENTS (CA4000563) is drawn from EPA SDWIS. Nearby county systems in this extract include SAN LUIS OBISPO WATER DEPARTMENT; CITY OF PASO ROBLES WATER DIVISION; ATASCADERO MUTUAL WATER CO; CITY OF ARROYO GRANDE UTILITIES DIVISION. Health-based rows (34 MCL/TT) 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.