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Community Water System · PWS AZ0406305

Valley View Mhc & RV Park

Duncan, Arizona 85534 - drinking water served from groundwater sources to 142 people, tracked in EPA SDWIS and UCMR5.

142
People served
111
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 111 drinking-water violations at Valley View Mhc & RV Park, 4% of them health-based - below the Arizona per-system average.

111
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
142
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Valley View Mhc & RV Park

Valley View Mhc & RV Park is a public/private-owned community water system that delivers drinking water to 142 residents in Duncan, Arizona (Greenlee County) through 150 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 111 total violations for this system , of which 4 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 64 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 Revised Total Coliform Rule, recorded in 21 violations (RPT). 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%).

Valley View Mhc & RV Park's 111 violations sit below 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
142
Total Violations
111
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
150
County
Greenlee
School/Daycare
No
MCL Violations
2
Monitoring Violations
64
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 21 2025
Coliform (TCR) MR 17 2016
Consumer Confidence Rule Other 12 2025
Lead and Copper Rule MR 9 2019
Revised Total Coliform Rule MON 5 2025
Nitrate MR 2 2001
Gross Alpha, Excl. Radon and U MCL 2 1989
Gross Alpha, Excl. Radon and U MR 2 1989
Groundwater Rule TT 2 2023
1,2-Dichloroethane MR 1 1998
Carbon tetrachloride MR 1 1998
1,1,2-Trichloroethane MR 1 1998
Tetrachloroethylene MR 1 1998
Benzene MR 1 1998
Toluene MR 1 1998
Styrene MR 1 1998
1,2,4-Trichlorobenzene MR 1 1998
DICHLOROMETHANE MR 1 1998
o-Dichlorobenzene MR 1 1998
Barium MR 1 1987
Chromium MR 1 1987
Mercury MR 1 1987
ETHYLENE DIBROMIDE MR 1 2002
Cadmium MR 1 1987
Arsenic MR 1 1987
CHLOROBENZENE MR 1 1998
cis-1,2-Dichloroethylene MR 1 1998
Fluoride MR 1 1987
E. COLI MR 1 2013
p-Dichlorobenzene MR 1 1998

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 Valley View Mhc & RV Park.

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 AZ0406305 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 Valley View Mhc & RV Park 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 Revised Total Coliform Rule RPT 21 SDWIS / AZ0406305 / 8000
2025 Consumer Confidence Rule Other 12 SDWIS / AZ0406305 / 7000
2025 Revised Total Coliform Rule MON 5 SDWIS / AZ0406305 / 8000
2025 Public Notice Other 1 SDWIS / AZ0406305 / 7500
2023 Groundwater Rule TT 2 SDWIS / AZ0406305 / 0700
2019 Lead and Copper Rule MR 9 SDWIS / AZ0406305 / 5000
2016 Coliform (TCR) MR 17 SDWIS / AZ0406305 / 3100
2013 E. COLI MR 1 SDWIS / AZ0406305 / 3014
2002 ETHYLENE DIBROMIDE MR 1 SDWIS / AZ0406305 / 2946
2001 Nitrate MR 2 SDWIS / AZ0406305 / 1040
1998 1,2-Dichloroethane MR 1 SDWIS / AZ0406305 / 2980
1998 Carbon tetrachloride MR 1 SDWIS / AZ0406305 / 2982
1998 1,1,2-Trichloroethane MR 1 SDWIS / AZ0406305 / 2985
1998 Tetrachloroethylene MR 1 SDWIS / AZ0406305 / 2987
1998 Benzene MR 1 SDWIS / AZ0406305 / 2990

How Valley View Mhc & RV Park Compares

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

Metric Valley View Mhc & RV Park Arizona avg Federal benchmark
Total violations 111 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 142 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 Valley View Mhc & RV Park water safe to drink? ▼
Valley View Mhc & RV Park (PWS ID: AZ0406305) has 111 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 142 people using Groundwater sources.
How many people does Valley View Mhc & RV Park serve? ▼
Valley View Mhc & RV Park serves 142 people in Duncan, Arizona. It is a Public/Private-owned system using Groundwater water sources with 150 service connections.
What type of violations does Valley View Mhc & RV Park have? ▼
Valley View Mhc & RV Park has 111 total violations: 4 health-based violations (MCL exceedances or treatment failures), 64 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Valley View Mhc & RV Park water? ▼
No PFAS testing data is available for Valley View Mhc & RV Park under the EPA's UCMR5 monitoring program.
What water source does Valley View Mhc & RV Park use? ▼
Valley View Mhc & RV Park 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.