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MOBILE ELEMENTARY SCHOOL DISTRICT 86

PWS ID: AZ0407048 · MARICOPA, Arizona 85139

MOBILE ELEMENTARY SCHOOL DISTRICT 86 serves 25 people in MARICOPA, Arizona using Groundwater water sources. It has 274 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MOBILE ELEMENTARY SCHOOL DISTRICT 86

MOBILE ELEMENTARY SCHOOL DISTRICT 86 is a local-owned non-transient non-community water system that delivers drinking water to 25 residents in MARICOPA, Arizona (Maricopa County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 274 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 263 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 Xylenes, Total, recorded in 9 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. MOBILE ELEMENTARY SCHOOL DISTRICT 86's 274 violations sit above 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
25
Total Violations
274
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
4
County
Maricopa
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
263
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Xylenes, Total MR 9 2008
1,2,4-Trichlorobenzene MR 9 2008
DICHLOROMETHANE MR 9 2008
o-Dichlorobenzene MR 9 2008
p-Dichlorobenzene MR 9 2008
Vinyl chloride MR 9 2008
1,1-Dichloroethylene MR 9 2008
trans-1,2-Dichloroethylene MR 9 2008
1,1,1-Trichloroethane MR 9 2008
1,1,2-Trichloroethane MR 9 2008
Tetrachloroethylene MR 9 2008
CHLOROBENZENE MR 9 2008
Benzene MR 9 2008
Toluene MR 9 2008
cis-1,2-Dichloroethylene MR 9 2008
1,2-Dichloroethane MR 9 2008
1,2-Dichloropropane MR 9 2008
Trichloroethylene MR 9 2008
Carbon tetrachloride MR 9 2008
Ethylbenzene MR 9 2008
Styrene MR 9 2008
Coliform (TCR) MR 6 2016
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Chlorine MR 4 2013
Total Haloacetic Acids (HAA5) MR 3 2007
TTHM MR 2 2007
ETHYLENE DIBROMIDE MR 2 2007
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2007
2,3,7,8-TCDD MR 2 2007

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 MOBILE ELEMENTARY SCHOOL DISTRICT 86.

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 AZ0407048 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 MOBILE ELEMENTARY SCHOOL DISTRICT 86 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 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / AZ0407048 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / AZ0407048 / 5200
2023 Revised Total Coliform Rule MON 1 SDWIS / AZ0407048 / 8000
2016 Coliform (TCR) MR 6 SDWIS / AZ0407048 / 3100
2013 Chlorine MR 4 SDWIS / AZ0407048 / 0999
2008 Xylenes, Total MR 9 SDWIS / AZ0407048 / 2955
2008 1,2,4-Trichlorobenzene MR 9 SDWIS / AZ0407048 / 2378
2008 DICHLOROMETHANE MR 9 SDWIS / AZ0407048 / 2964
2008 o-Dichlorobenzene MR 9 SDWIS / AZ0407048 / 2968
2008 p-Dichlorobenzene MR 9 SDWIS / AZ0407048 / 2969
2008 Vinyl chloride MR 9 SDWIS / AZ0407048 / 2976
2008 1,1-Dichloroethylene MR 9 SDWIS / AZ0407048 / 2977
2008 trans-1,2-Dichloroethylene MR 9 SDWIS / AZ0407048 / 2979
2008 1,1,1-Trichloroethane MR 9 SDWIS / AZ0407048 / 2981
2008 1,1,2-Trichloroethane MR 9 SDWIS / AZ0407048 / 2985

How MOBILE ELEMENTARY SCHOOL DISTRICT 86 Compares

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

Metric MOBILE ELEMENTARY SCHOOL DISTRICT 86 Arizona avg Federal benchmark
Total violations 274 153.3 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 25 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 MOBILE ELEMENTARY SCHOOL DISTRICT 86 water safe to drink?
MOBILE ELEMENTARY SCHOOL DISTRICT 86 (PWS ID: AZ0407048) has 274 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does MOBILE ELEMENTARY SCHOOL DISTRICT 86 serve?
MOBILE ELEMENTARY SCHOOL DISTRICT 86 serves 25 people in MARICOPA, Arizona. It is a Local-owned system using Groundwater water sources with 4 service connections.
What type of violations does MOBILE ELEMENTARY SCHOOL DISTRICT 86 have?
MOBILE ELEMENTARY SCHOOL DISTRICT 86 has 274 total violations: 4 health-based violations (MCL exceedances or treatment failures), 263 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MOBILE ELEMENTARY SCHOOL DISTRICT 86 water?
No PFAS testing data is available for MOBILE ELEMENTARY SCHOOL DISTRICT 86 under the EPA's UCMR5 monitoring program.
What water source does MOBILE ELEMENTARY SCHOOL DISTRICT 86 use?
MOBILE ELEMENTARY SCHOOL DISTRICT 86 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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