Oasis Mobile Home Park
PWS ID: 090605129 · Thermal, 09 92274
Oasis Mobile Home Park serves 1,350 people in Thermal, 09 using Groundwater water sources. It has 564 recorded EPA violations, including 59 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: Oasis Mobile Home Park
Oasis Mobile Home Park is a private-owned community water system that delivers drinking water to 1,350 residents in Thermal, 09 through 352 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 564 total violations for this system , of which 59 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 292 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.
The most frequently cited contaminant at this system is Arsenic, recorded in 51 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across 09, EPA tracks 323 public water systems serving 555,721 people, with 48,296 cumulative violations and 3,354 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149.5 violations. Oasis Mobile Home Park's 564 violations sit above the 09 average. Statewide, 30 of 41 UCMR5-tested systems have reported PFAS detections (73.2%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 352
- School/Daycare
- No
- MCL Violations
- 56
- Monitoring Violations
- 292
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 51 | 2022 |
| Public Notice | Other | 33 | 2022 |
| Coliform (TCR) | MR | 32 | 2015 |
| Revised Total Coliform Rule | MON | 17 | 2020 |
| Nitrate | MR | 11 | 2022 |
| Gross Alpha, Excl. Radon and U | MR | 6 | 2021 |
| Revised Total Coliform Rule | RPT | 6 | 2024 |
| Arsenic | MR | 5 | 2019 |
| Diquat | MR | 5 | 2021 |
| 2,3,7,8-TCDD | MR | 5 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2022 |
| Consumer Confidence Rule | Other | 5 | 2009 |
| Coliform (TCR) | MCL | 5 | 2007 |
| Dalapon | MR | 4 | 2021 |
| Endothall | MR | 4 | 2021 |
| OXAMYL | MR | 4 | 2021 |
| Picloram | MR | 4 | 2021 |
| Dinoseb | MR | 4 | 2021 |
| Carbofuran | MR | 4 | 2021 |
| 2,4-D | MR | 4 | 2021 |
| 2,4,5-TP | MR | 4 | 2021 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2022 |
| Pentachlorophenol | MR | 4 | 2021 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 2021 |
| ETHYLENE DIBROMIDE | MR | 4 | 2021 |
| Xylenes, Total | MR | 4 | 2022 |
| DICHLOROMETHANE | MR | 4 | 2022 |
| o-Dichlorobenzene | MR | 4 | 2022 |
| p-Dichlorobenzene | MR | 4 | 2022 |
| Vinyl chloride | MR | 4 | 2022 |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Oasis Mobile Home Park.
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID 090605129 on SDWISSource: EPA SDWIS Federal Reports Search
09 Drinking Water Authority
09's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find 09 regulator via EPA SDWISViolation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2024 | Revised Total Coliform Rule | RPT | 6 | SDWIS / 090605129 / 8000 |
| 2023 | Chlorine | MR | 3 | SDWIS / 090605129 / 0999 |
| 2022 | Arsenic | MCL | 51 | SDWIS / 090605129 / 1005 |
| 2022 | Public Notice | Other | 33 | SDWIS / 090605129 / 7500 |
| 2022 | Nitrate | MR | 11 | SDWIS / 090605129 / 1040 |
| 2022 | Total Haloacetic Acids (HAA5) | MR | 5 | SDWIS / 090605129 / 2456 |
| 2022 | 1,2,4-Trichlorobenzene | MR | 4 | SDWIS / 090605129 / 2378 |
| 2022 | Xylenes, Total | MR | 4 | SDWIS / 090605129 / 2955 |
| 2022 | DICHLOROMETHANE | MR | 4 | SDWIS / 090605129 / 2964 |
| 2022 | o-Dichlorobenzene | MR | 4 | SDWIS / 090605129 / 2968 |
| 2022 | p-Dichlorobenzene | MR | 4 | SDWIS / 090605129 / 2969 |
| 2022 | Vinyl chloride | MR | 4 | SDWIS / 090605129 / 2976 |
| 2022 | 1,1-Dichloroethylene | MR | 4 | SDWIS / 090605129 / 2977 |
| 2022 | trans-1,2-Dichloroethylene | MR | 4 | SDWIS / 090605129 / 2979 |
| 2022 | 1,2-Dichloroethane | MR | 4 | SDWIS / 090605129 / 2980 |
How Oasis Mobile Home Park Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | Oasis Mobile Home Park | 09 avg | Federal benchmark |
|---|---|---|---|
| Total violations | 564 | 149.5 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 59 | 10.4 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 73.2% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 1,350 | 1,720 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 323 regulated public water systems in 09.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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Related Data for 09
Read our methodology — how this data is sourced, computed, and verified.