PlainWater

Non-Transient Non-Community Water System · PWS MN5690020

U.S. Steel-Minntac

Operator location Mountain Iron, Minnesota - lower-third violation load (≤ 21 violations) with 20 EPA violations; surface water source; 1,250 served (PWS-level, not municipal population).

1,250
People served (this PWS)
20
EPA violations (this PWS)
4
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

U.S. Steel-Minntac standing, low SDWIS violation third

20 EPA SDWIS violations on record - lower-third violation load (≤ 21 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 20% is middle-third health share (≤ 23%). Population rank #17,472 of 29,740 among systems serving 500+.

The verdict

U.S. Steel-Minntac is in the lower third by violation count (20; lower-third violation load (≤ 21 violations)). A low count does not mean the system is unmonitored - monitoring and reporting violations still appear in SDWIS. Population served is mid-pack at 1,250 (mid served population (≤ 3,309)). Health-based share is 20% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#17,472 of 29,740
Population · /systems
#338 of 677
Population · MN
20
Total EPA violations on record
20%
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
8
County
St. Louis
School/Daycare
No
MCL Violations
0
Monitoring Violations
16
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 7 2023
Revised Total Coliform Rule MON 7 2023
Interim Enhanced Surface Water Treatment Rule TT 2 2005
Coliform (TCR) MR 2 2012
Surface Water Treatment Rule TT 2 2013

Violation Count vs. the National Corpus

U.S. Steel-Minntac has 20 recorded EPA violations, 31% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 67% carry more. 20% of this system's own violations are health-based (4 of 20), and it ranks #17,472 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)

20 Lower than most fewer violations than 67% 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

SDWIS compliance record for U.S. Steel-Minntac

20 violations on record for MN5690020; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS

Nationwide peers

20 violations · 1,250 served: nearest cross-state SDWIS matches.

What to do with U.S. Steel-Minntac

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

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