MAGNOLIA PARK
PWSID: OK4001470 · Riverside, CA · Serves 50 people
MAGNOLIA PARK has 16 health-based violations out of 16 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
MAGNOLIA PARK (PWSID OK4001470) 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 50 people in Riverside, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 16 total violations, with 16 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including Barium, Copper, E. coli. Recorded violations span 2016–2025.
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)
- OK4001470
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Riverside, CA
- Population Served
- 50
- Health Violations
- Yes (16)
What contaminants are in this water system?
Violation History (16)
| Contaminant | Health | Date |
|---|---|---|
| E. coli | Yes | Apr 1, 2025 |
| E. coli | Yes | Apr 1, 2025 |
| Barium | Yes | Apr 1, 2025 |
| Barium | Yes | Apr 1, 2025 |
| Barium | Yes | Jan 1, 2025 |
| Barium | Yes | Jan 1, 2025 |
| Barium | Yes | Jan 1, 2025 |
| Barium | Yes | Oct 1, 2024 |
| Barium | Yes | Oct 1, 2024 |
| Barium | Yes | Oct 1, 2024 |
| Barium | Yes | Jul 1, 2023 |
| Barium | Yes | Jul 1, 2023 |
| Barium | Yes | Jul 1, 2023 |
| Copper | Yes | Apr 1, 2016 |
| Copper | Yes | Apr 1, 2016 |
| Copper | Yes | Jan 1, 2016 |
Frequently Asked Questions
Is MAGNOLIA PARK water safe to drink?
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What violations does MAGNOLIA PARK have?
What contaminants have been found in MAGNOLIA PARK 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.