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Transient Non-Community Water System · PWS WI2460566

Emr LLC Dba 5 Corners Truck & Auto

Operator location Cedarburg, Wisconsin - smaller served population (≤ 999) at 97 people served; 886 SDWIS violations on record from groundwater sources.

97
People served (this PWS)
886
EPA violations (this PWS)
81
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Emr LLC Dba 5 Corners Truck & Auto standing, high SDWIS violation third

97 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 9% is middle-third health share (≤ 23%).

The verdict

Emr LLC Dba 5 Corners Truck & Auto sits in the upper third of the sitemap cohort by violation count (886), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is smaller (97; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 9% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

886
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
97
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
Private
Connections
1
County
Ozaukee
School/Daycare
No
MCL Violations
81
Monitoring Violations
795
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 86 2003
Arsenic MCL 81 2013
Coliform (TCR) MR 70 2008
Lead and Copper Rule MR 36 2017
Arsenic MR 31 2016
Barium MR 12 2001
Mercury MR 12 2001
Nitrate-Nitrite MR 12 2001
Beryllium, Total MR 12 2001
Thallium, Total MR 12 2001
Nickel MR 12 2001
Chromium MR 12 2001
Nitrite MR 12 2001
Selenium MR 12 2001
Antimony, Total MR 12 2001
Cadmium MR 12 2001
Fluoride MR 12 2001
Public Notice Other 10 2011
Endothall MR 9 2001
Atrazine MR 9 2001
Carbofuran MR 9 2001
Dinoseb MR 9 2001
Picloram MR 9 2001
Simazine MR 9 2001
2,4,5-TP MR 9 2001
2,4-D MR 9 2001
Heptachlor epoxide MR 9 2001
OXAMYL MR 9 2001
Methoxychlor MR 9 2001
Endrin MR 9 2001

Violation Count vs. the National Corpus

Emr LLC Dba 5 Corners Truck & Auto has 886 recorded EPA violations, 99% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 1% carry more. 9% of this system's own violations are health-based (81 of 886), 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)

886 Higher than most more violations than 99% 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 Emr LLC Dba 5 Corners Truck & Auto

EPA SDWIS lists 97 people served and 1 connections for this PWS, confirm the service-area footprint on the federal report before comparing to municipal census totals.

Sources: EPA SDWIS · Wisconsin DNR, Drinking Water and Groundwater

Nationwide peers

886 violations · 97 served: nearest cross-state SDWIS matches.

Cross-state systems with comparable violation load

Nearest cross-state community systems (500+ served) by total SDWIS violations on record.

4 peers

What to do with Emr LLC Dba 5 Corners Truck & Auto

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

  • See how every tracked system in Wisconsin compares on the same EPA violation measures. Wisconsin 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