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MOUNTAIN GLEN WATER SERVICE - FALCON

PWS ID: AZ0409054 · GLENDALE, Arizona 85307

MOUNTAIN GLEN WATER SERVICE - FALCON serves 36 people in GLENDALE, Arizona using Groundwater water sources. It has 68 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MOUNTAIN GLEN WATER SERVICE - FALCON

MOUNTAIN GLEN WATER SERVICE - FALCON is a private-owned transient non-community water system that delivers drinking water to 36 residents in GLENDALE, Arizona (Navajo County) through 17 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 1 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 58 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 18 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. MOUNTAIN GLEN WATER SERVICE - FALCON's 68 violations sit below the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). 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
36
Total Violations
68
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
17
County
Navajo
School/Daycare
No
MCL Violations
1
Monitoring Violations
58
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2014
Nitrate MR 8 2013
Revised Total Coliform Rule RPT 6 2019
Lead and Copper Rule MR 2 2003
Chlorine MR 2 2004
Revised Total Coliform Rule MON 2 2016
Xylenes, Total MR 1 2001
DICHLOROMETHANE MR 1 2001
o-Dichlorobenzene MR 1 2001
1,1-Dichloroethylene MR 1 2001
trans-1,2-Dichloroethylene MR 1 2001
1,2-Dichloroethane MR 1 2001
Carbon tetrachloride MR 1 2001
Coliform (TCR) MCL 1 2003
1,1,2-Trichloroethane MR 1 2001
Tetrachloroethylene MR 1 2001
Ethylbenzene MR 1 2001
Styrene MR 1 2001
Cadmium MR 1 1999
Beryllium, Total MR 1 1999
Thallium, Total MR 1 1998
Consumer Confidence Rule Other 1 2003
cis-1,2-Dichloroethylene MR 1 2001
1,2,4-Trichlorobenzene MR 1 2001
p-Dichlorobenzene MR 1 2001
Toluene MR 1 2001
1,1,1-Trichloroethane MR 1 2001
Nickel MR 1 1999
Antimony, Total MR 1 1999
Benzene MR 1 2001

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 MOUNTAIN GLEN WATER SERVICE - FALCON.

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 AZ0409054 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 MOUNTAIN GLEN WATER SERVICE - FALCON 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
2019 Revised Total Coliform Rule RPT 6 SDWIS / AZ0409054 / 8000
2016 Revised Total Coliform Rule MON 2 SDWIS / AZ0409054 / 8000
2014 Coliform (TCR) MR 18 SDWIS / AZ0409054 / 3100
2013 Nitrate MR 8 SDWIS / AZ0409054 / 1040
2004 Chlorine MR 2 SDWIS / AZ0409054 / 0999
2003 Lead and Copper Rule MR 2 SDWIS / AZ0409054 / 5000
2003 Coliform (TCR) MCL 1 SDWIS / AZ0409054 / 3100
2003 Consumer Confidence Rule Other 1 SDWIS / AZ0409054 / 7000
2001 Xylenes, Total MR 1 SDWIS / AZ0409054 / 2955
2001 DICHLOROMETHANE MR 1 SDWIS / AZ0409054 / 2964
2001 o-Dichlorobenzene MR 1 SDWIS / AZ0409054 / 2968
2001 1,1-Dichloroethylene MR 1 SDWIS / AZ0409054 / 2977
2001 trans-1,2-Dichloroethylene MR 1 SDWIS / AZ0409054 / 2979
2001 1,2-Dichloroethane MR 1 SDWIS / AZ0409054 / 2980
2001 Carbon tetrachloride MR 1 SDWIS / AZ0409054 / 2982

How MOUNTAIN GLEN WATER SERVICE - FALCON Compares

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

Metric MOUNTAIN GLEN WATER SERVICE - FALCON Arizona avg Federal benchmark
Total violations 68 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 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 36 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MOUNTAIN GLEN WATER SERVICE - FALCON water safe to drink?
MOUNTAIN GLEN WATER SERVICE - FALCON (PWS ID: AZ0409054) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 36 people using Groundwater sources.
How many people does MOUNTAIN GLEN WATER SERVICE - FALCON serve?
MOUNTAIN GLEN WATER SERVICE - FALCON serves 36 people in GLENDALE, Arizona. It is a Private-owned system using Groundwater water sources with 17 service connections.
What type of violations does MOUNTAIN GLEN WATER SERVICE - FALCON have?
MOUNTAIN GLEN WATER SERVICE - FALCON has 68 total violations: 1 health-based violations (MCL exceedances or treatment failures), 58 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOUNTAIN GLEN WATER SERVICE - FALCON water?
No PFAS testing data is available for MOUNTAIN GLEN WATER SERVICE - FALCON under the EPA's UCMR5 monitoring program.
What water source does MOUNTAIN GLEN WATER SERVICE - FALCON use?
MOUNTAIN GLEN WATER SERVICE - FALCON 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial