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Transient Non-Community Water System · PWS AZ0402347

Adot San Simon Port of Entry

Operator location Phoenix, Arizona - smaller served population (≤ 999) at 175 people served; 49 SDWIS violations on record from groundwater sources.

175
People served (this PWS)
49
EPA violations (this PWS)
7
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Adot San Simon Port of Entry standing, mid SDWIS violation third

175 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 14% is middle-third health share (≤ 23%).

The verdict

Adot San Simon Port of Entry lands in the middle third by violation volume (49), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (175; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 14% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

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

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

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

Violation Count vs. the National Corpus

Adot San Simon Port of Entry has 49 recorded EPA violations, 56% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 44% carry more. 14% of this system's own violations are health-based (7 of 49), and it ranks unranked by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

49 Around the middle fewer violations than 44% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

Population served record for Adot San Simon Port of Entry

EPA SDWIS lists 175 people served and 2 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

Sources: EPA SDWIS · Arizona DEQ, Drinking Water Program

Nationwide peers

49 violations · 175 served: nearest cross-state SDWIS matches.

What to do with Adot San Simon Port of Entry

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in Arizona compares on the same EPA violation measures. Arizona systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater