PlainWater

Non-Transient Non-Community Water System · PWS MI2008781

Fca US LLC/Chelsea Prov Grnds

Operator location Chelsea, Michigan - smaller served population (≤ 999) at 800 people served; 22 SDWIS violations on record from groundwater sources.

800
People served (this PWS)
22
EPA violations (this PWS)
4
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Fca US LLC/Chelsea Prov Grnds standing, mid SDWIS violation third

800 people served (SDWIS) - smaller served population (≤ 999). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 18% is middle-third health share (≤ 23%). Population rank #22,487 of 29,740 among systems serving 500+.

The verdict

Fca US LLC/Chelsea Prov Grnds lands in the middle third by violation volume (22), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (800; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 18% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#22,487 of 29,740
Population · /systems
#805 of 1,375
Population · MI
22
Total EPA violations on record
18%
Health-based (MCL / treatment failure)

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

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Washtenaw
School/Daycare
No
MCL Violations
4
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 4 2011
Revised Total Coliform Rule MON 3 2019
Barium MR 1 2002
Cadmium MR 1 2002
Chromium MR 1 2002
Mercury MR 1 2002
Beryllium, Total MR 1 2002
Thallium, Total MR 1 2002
Selenium MR 1 2002
Antimony, Total MR 1 2002
Revised Total Coliform Rule RPT 1 2017

Violation Count vs. the National Corpus

Fca US LLC/Chelsea Prov Grnds has 22 recorded EPA violations, 34% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 65% carry more. 18% of this system's own violations are health-based (4 of 22), and it ranks #22,487 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

22 Lower than most fewer violations than 65% 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 Fca US LLC/Chelsea Prov Grnds

EPA SDWIS lists 800 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 · Michigan EGLE, Drinking Water and Environmental Health Division

Nationwide peers

22 violations · 800 served: nearest cross-state SDWIS matches.

What to do with Fca US LLC/Chelsea Prov Grnds

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

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