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Transient Non-Community Water System · PWS AZ0401337

Mountainaire RV Park

Greer, Arizona 85927 - drinking water served from groundwater sources to 56 people, tracked in EPA SDWIS and UCMR5.

56
People served
48
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 48 drinking-water violations at Mountainaire RV Park, 13% of them health-based - below the Arizona per-system average.

48
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
56
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mountainaire RV Park

Mountainaire RV Park is a private-owned transient non-community water system that delivers drinking water to 56 residents in Greer, Arizona (Apache County) through 28 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 48 total violations for this system , of which 6 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 29 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 Coliform (TCR), recorded in 17 violations (MR). 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%).

Mountainaire RV Park's 48 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
56
Total Violations
48
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
28
County
Apache
School/Daycare
No
MCL Violations
0
Monitoring Violations
29
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2015
Revised Total Coliform Rule RPT 13 2024
Revised Total Coliform Rule TT 6 2023
Nitrate MR 2 2002
Revised Total Coliform Rule MON 2 2016
Chromium MR 1 1988
Selenium MR 1 1988
E. COLI MR 1 2010
Arsenic MR 1 1988
Barium MR 1 1988
Mercury MR 1 1988
Cadmium MR 1 1988
Fluoride MR 1 1988

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 Mountainaire 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 AZ0401337 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 Mountainaire 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
2024 Revised Total Coliform Rule RPT 13 SDWIS / AZ0401337 / 8000
2023 Revised Total Coliform Rule TT 6 SDWIS / AZ0401337 / 8000
2016 Revised Total Coliform Rule MON 2 SDWIS / AZ0401337 / 8000
2015 Coliform (TCR) MR 17 SDWIS / AZ0401337 / 3100
2010 E. COLI MR 1 SDWIS / AZ0401337 / 3014
2002 Nitrate MR 2 SDWIS / AZ0401337 / 1040
1988 Chromium MR 1 SDWIS / AZ0401337 / 1020
1988 Selenium MR 1 SDWIS / AZ0401337 / 1045
1988 Arsenic MR 1 SDWIS / AZ0401337 / 1005
1988 Barium MR 1 SDWIS / AZ0401337 / 1010
1988 Mercury MR 1 SDWIS / AZ0401337 / 1035
1988 Cadmium MR 1 SDWIS / AZ0401337 / 1015
1988 Fluoride MR 1 SDWIS / AZ0401337 / 1025

How Mountainaire RV Park Compares

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

Metric Mountainaire RV Park Arizona avg Federal benchmark
Total violations 48 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 56 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 Mountainaire RV Park water safe to drink? ▼
Mountainaire RV Park (PWS ID: AZ0401337) has 48 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 56 people using Groundwater sources.
How many people does Mountainaire RV Park serve? ▼
Mountainaire RV Park serves 56 people in Greer, Arizona. It is a Private-owned system using Groundwater water sources with 28 service connections.
What type of violations does Mountainaire RV Park have? ▼
Mountainaire RV Park has 48 total violations: 6 health-based violations (MCL exceedances or treatment failures), 29 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mountainaire RV Park water? ▼
No PFAS testing data is available for Mountainaire RV Park under the EPA's UCMR5 monitoring program.
What water source does Mountainaire RV Park use? ▼
Mountainaire RV Park uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.