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Community Water System · PWS AZ0414098

Sierra Pacific Mobile Manor

Yuma, Arizona 85365 - drinking water served from groundwater sources to 816 people, tracked in EPA SDWIS and UCMR5.

816
People served
366
EPA violations
136
Health-based
Untested
UCMR5 result

The verdict

EPA records 366 drinking-water violations at Sierra Pacific Mobile Manor, 37% of them health-based - above the Arizona per-system average.

366
Total EPA violations on record
37%
Health-based (MCL / treatment failure)
816
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sierra Pacific Mobile Manor

Sierra Pacific Mobile Manor is a private-owned community water system that delivers drinking water to 816 residents in Yuma, Arizona (Yuma County) through 272 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 366 total violations for this system , of which 136 (37%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 176 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Arsenic, recorded in 132 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 Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Sierra Pacific Mobile Manor's 366 violations sit above the Arizona average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
816
Total Violations
366
Health-Based Violations
136
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
272
County
Yuma
School/Daycare
No
MCL Violations
133
Monitoring Violations
176
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 132 2024
Arsenic MR 45 2024
Coliform (TCR) MR 43 2015
Consumer Confidence Rule Other 20 2025
Revised Total Coliform Rule RPT 16 2025
Lead and Copper Rule MR 11 2024
Revised Total Coliform Rule MON 9 2020
Nitrate MR 7 2004
Public Notice Other 7 2024
LEAD AND COPPER RULE REVISIONS RPT 3 2024
Gross Alpha, Excl. Radon and U MR 3 1990
LEAD AND COPPER RULE REVISIONS TT 3 2024
DICHLOROMETHANE MR 2 1999
p-Dichlorobenzene MR 2 1999
trans-1,2-Dichloroethylene MR 2 1999
Carbon tetrachloride MR 2 1999
1,2-Dichloropropane MR 2 1999
Trichloroethylene MR 2 1999
1,1,2-Trichloroethane MR 2 1999
Tetrachloroethylene MR 2 1999
Toluene MR 2 1999
Styrene MR 2 1999
Chromium MR 2 1990
o-Dichlorobenzene MR 2 1999
Fluoride MR 2 1990
Barium MR 2 1990
Selenium MR 2 1990
Ethylbenzene MR 2 1999
Cadmium MR 2 1990
cis-1,2-Dichloroethylene MR 2 1999

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 Sierra Pacific Mobile Manor.

Federal Source of Truth

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 AZ0414098 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Sierra Pacific Mobile Manor under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

Violation 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
2025 Consumer Confidence Rule Other 20 SDWIS / AZ0414098 / 7000
2025 Revised Total Coliform Rule RPT 16 SDWIS / AZ0414098 / 8000
2024 Arsenic MCL 132 SDWIS / AZ0414098 / 1005
2024 Arsenic MR 45 SDWIS / AZ0414098 / 1005
2024 Lead and Copper Rule MR 11 SDWIS / AZ0414098 / 5000
2024 Public Notice Other 7 SDWIS / AZ0414098 / 7500
2024 LEAD AND COPPER RULE REVISIONS RPT 3 SDWIS / AZ0414098 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 3 SDWIS / AZ0414098 / 5200
2020 Revised Total Coliform Rule MON 9 SDWIS / AZ0414098 / 8000
2015 Coliform (TCR) MR 43 SDWIS / AZ0414098 / 3100
2010 E. COLI MR 1 SDWIS / AZ0414098 / 3014
2007 Coliform (TCR) MCL 1 SDWIS / AZ0414098 / 3100
2004 Nitrate MR 7 SDWIS / AZ0414098 / 1040
1999 DICHLOROMETHANE MR 2 SDWIS / AZ0414098 / 2964
1999 p-Dichlorobenzene MR 2 SDWIS / AZ0414098 / 2969

How Sierra Pacific Mobile Manor Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Sierra Pacific Mobile Manor Arizona avg Federal benchmark
Total violations 366 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 136 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 816 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Sierra Pacific Mobile Manor water safe to drink? ▼
Sierra Pacific Mobile Manor (PWS ID: AZ0414098) has 366 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 816 people using Groundwater sources.
How many people does Sierra Pacific Mobile Manor serve? ▼
Sierra Pacific Mobile Manor serves 816 people in Yuma, Arizona. It is a Private-owned system using Groundwater water sources with 272 service connections.
What type of violations does Sierra Pacific Mobile Manor have? ▼
Sierra Pacific Mobile Manor has 366 total violations: 136 health-based violations (MCL exceedances or treatment failures), 176 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sierra Pacific Mobile Manor water? ▼
No PFAS testing data is available for Sierra Pacific Mobile Manor under the EPA's UCMR5 monitoring program.
What water source does Sierra Pacific Mobile Manor use? ▼
Sierra Pacific Mobile Manor uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.