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MISTY MOUNTAIN DWID

PWS ID: AZ0409075 · LAKESIDE, Arizona 85929

MISTY MOUNTAIN DWID serves 44 people in LAKESIDE, Arizona using Groundwater water sources. It has 101 recorded EPA violations, including 5 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MISTY MOUNTAIN DWID

MISTY MOUNTAIN DWID is a private-owned community water system that delivers drinking water to 44 residents in LAKESIDE, Arizona (Navajo County) through 44 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 101 total violations for this system , of which 5 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 71 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 Coliform (TCR), recorded in 23 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. MISTY MOUNTAIN DWID's 101 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
44
Total Violations
101
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
44
County
Navajo
School/Daycare
No
MCL Violations
5
Monitoring Violations
71
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 23 2015
Consumer Confidence Rule Other 10 2025
Lead and Copper Rule MR 8 2023
Coliform (TCR) MCL 5 2012
Nitrate MR 3 2005
E. COLI MR 3 2017
Arsenic MR 2 1993
Barium MR 2 1993
Chromium MR 2 1993
Selenium MR 2 1993
Fluoride MR 2 1993
Mercury MR 2 1993
Cadmium MR 2 1993
1,2,4-Trichlorobenzene MR 1 1998
cis-1,2-Dichloroethylene MR 1 1998
o-Dichlorobenzene MR 1 1998
p-Dichlorobenzene MR 1 1998
1,1-Dichloroethylene MR 1 1998
trans-1,2-Dichloroethylene MR 1 1998
1,2-Dichloroethane MR 1 1998
1,2-Dichloropropane MR 1 1998
Trichloroethylene MR 1 1998
1,1,2-Trichloroethane MR 1 1998
Tetrachloroethylene MR 1 1998
Benzene MR 1 1998
Styrene MR 1 1998
Xylenes, Total MR 1 1998
Carbon tetrachloride MR 1 1998
1,1,1-Trichloroethane MR 1 1998
CHLOROBENZENE 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 MISTY MOUNTAIN DWID.

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 AZ0409075 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 MISTY MOUNTAIN DWID 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 10 SDWIS / AZ0409075 / 7000
2023 Lead and Copper Rule MR 8 SDWIS / AZ0409075 / 5000
2017 E. COLI MR 3 SDWIS / AZ0409075 / 3014
2015 Coliform (TCR) MR 23 SDWIS / AZ0409075 / 3100
2012 Coliform (TCR) MCL 5 SDWIS / AZ0409075 / 3100
2005 Nitrate MR 3 SDWIS / AZ0409075 / 1040
1998 1,2,4-Trichlorobenzene MR 1 SDWIS / AZ0409075 / 2378
1998 cis-1,2-Dichloroethylene MR 1 SDWIS / AZ0409075 / 2380
1998 o-Dichlorobenzene MR 1 SDWIS / AZ0409075 / 2968
1998 p-Dichlorobenzene MR 1 SDWIS / AZ0409075 / 2969
1998 1,1-Dichloroethylene MR 1 SDWIS / AZ0409075 / 2977
1998 trans-1,2-Dichloroethylene MR 1 SDWIS / AZ0409075 / 2979
1998 1,2-Dichloroethane MR 1 SDWIS / AZ0409075 / 2980
1998 1,2-Dichloropropane MR 1 SDWIS / AZ0409075 / 2983
1998 Trichloroethylene MR 1 SDWIS / AZ0409075 / 2984

How MISTY MOUNTAIN DWID Compares

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

Metric MISTY MOUNTAIN DWID Arizona avg Federal benchmark
Total violations 101 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 5 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 44 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 MISTY MOUNTAIN DWID water safe to drink?
MISTY MOUNTAIN DWID (PWS ID: AZ0409075) has 101 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 44 people using Groundwater sources.
How many people does MISTY MOUNTAIN DWID serve?
MISTY MOUNTAIN DWID serves 44 people in LAKESIDE, Arizona. It is a Private-owned system using Groundwater water sources with 44 service connections.
What type of violations does MISTY MOUNTAIN DWID have?
MISTY MOUNTAIN DWID has 101 total violations: 5 health-based violations (MCL exceedances or treatment failures), 71 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MISTY MOUNTAIN DWID water?
No PFAS testing data is available for MISTY MOUNTAIN DWID under the EPA's UCMR5 monitoring program.
What water source does MISTY MOUNTAIN DWID use?
MISTY MOUNTAIN DWID 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.

Explore PlainWater

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