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Transient Non-Community Water System · PWS AZ0402347

Adot San Simon Port of Entry

Phoenix, Arizona 85007-3217 - drinking water served from groundwater sources to 175 people, tracked in EPA SDWIS and UCMR5.

175
People served
49
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 49 drinking-water violations at Adot San Simon Port of Entry, 14% of them health-based - below the Arizona per-system average.

49
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
175
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Adot San Simon Port of Entry

Adot San Simon Port of Entry is a state-owned transient non-community water system that delivers drinking water to 175 residents in Phoenix, Arizona (Cochise County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 49 total violations for this system , of which 7 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 26 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 14 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%).

Adot San Simon Port of Entry's 49 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
175
Total Violations
49
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
2
County
Cochise
School/Daycare
No
MCL Violations
7
Monitoring Violations
26
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 14 2015
Revised Total Coliform Rule RPT 10 2022
Nitrate MR 6 2010
Coliform (TCR) MCL 6 2014
Cadmium MR 1 1988
Barium MR 1 1988
Chromium MR 1 1988
Mercury MR 1 1988
Fluoride MCL 1 1984
Arsenic MR 1 1988
Selenium 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 Adot San Simon Port of Entry.

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 AZ0402347 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 Adot San Simon Port of Entry 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
2022 Revised Total Coliform Rule RPT 10 SDWIS / AZ0402347 / 8000
2015 Coliform (TCR) MR 14 SDWIS / AZ0402347 / 3100
2014 Coliform (TCR) MCL 6 SDWIS / AZ0402347 / 3100
2010 Nitrate MR 6 SDWIS / AZ0402347 / 1040
1988 Cadmium MR 1 SDWIS / AZ0402347 / 1015
1988 Barium MR 1 SDWIS / AZ0402347 / 1010
1988 Chromium MR 1 SDWIS / AZ0402347 / 1020
1988 Mercury MR 1 SDWIS / AZ0402347 / 1035
1988 Arsenic MR 1 SDWIS / AZ0402347 / 1005
1988 Selenium MR 1 SDWIS / AZ0402347 / 1045
1984 Fluoride MCL 1 SDWIS / AZ0402347 / 1025

How Adot San Simon Port of Entry Compares

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

Metric Adot San Simon Port of Entry Arizona avg Federal benchmark
Total violations 49 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 175 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 Adot San Simon Port of Entry water safe to drink? ▼
Adot San Simon Port of Entry (PWS ID: AZ0402347) has 49 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 175 people using Groundwater sources.
How many people does Adot San Simon Port of Entry serve? ▼
Adot San Simon Port of Entry serves 175 people in Phoenix, Arizona. It is a State-owned system using Groundwater water sources with 2 service connections.
What type of violations does Adot San Simon Port of Entry have? ▼
Adot San Simon Port of Entry has 49 total violations: 7 health-based violations (MCL exceedances or treatment failures), 26 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Adot San Simon Port of Entry water? ▼
No PFAS testing data is available for Adot San Simon Port of Entry under the EPA's UCMR5 monitoring program.
What water source does Adot San Simon Port of Entry use? ▼
Adot San Simon Port of Entry 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.