Tule River Reservation Main
PWSID: 090600156 · Porterville, CA · Serves 2,560 people
Tule River Reservation Main has 25 health-based violations out of 25 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
Tule River Reservation Main (PWSID 090600156) 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 2,560 people in Porterville, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 25 total violations, with 25 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including Barium, Fluoride, Arsenic. 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)
- 090600156
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Porterville, CA
- Population Served
- 2,560
- Health Violations
- Yes (25)
What contaminants are in this water system?
Violation History (25)
| Contaminant | Health | Date |
|---|---|---|
| Fluoride | Yes | Sep 19, 2025 |
| Fluoride | Yes | Jun 30, 2025 |
| Fluoride | Yes | Jun 30, 2025 |
| Fluoride | Yes | Feb 14, 2025 |
| Fluoride | Yes | Feb 14, 2025 |
| Arsenic | Yes | Feb 1, 2023 |
| Arsenic | Yes | Feb 1, 2023 |
| Arsenic | Yes | Feb 1, 2023 |
| Arsenic | Yes | Feb 1, 2023 |
| Arsenic | Yes | Feb 1, 2023 |
| Barium | Yes | Apr 1, 2019 |
| Barium | Yes | Apr 1, 2019 |
| Barium | Yes | Apr 1, 2019 |
| Barium | Yes | Oct 1, 2018 |
| Barium | Yes | Oct 1, 2018 |
| Barium | Yes | Oct 1, 2018 |
| Barium | Yes | Jul 1, 2018 |
| Barium | Yes | Jul 1, 2018 |
| Barium | Yes | Jul 1, 2018 |
| Barium | Yes | Jul 1, 2017 |
| Barium | Yes | Jul 1, 2017 |
| Barium | Yes | Jul 1, 2017 |
| Barium | Yes | Jan 1, 2017 |
| Barium | Yes | Jan 1, 2017 |
| Barium | Yes | Jan 1, 2017 |
Frequently Asked Questions
Is Tule River Reservation Main water safe to drink?
How many people does Tule River Reservation Main serve?
What violations does Tule River Reservation Main have?
What contaminants have been found in Tule River Reservation Main 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.