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Community Water System · PWS IA1207061

Aplington Water Supply

Operator location Aplington, Iowa - 6% of 64 violations are health-based (middle-third health share (≤ 23%)); groundwater source; 1,126 served per SDWIS.

1,126
People served (this PWS)
64
EPA violations (this PWS)
4
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Aplington Water Supply standing, mid SDWIS violation third

6% of 64 recorded violations are health-based - middle-third health share (≤ 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 6% is middle-third health share (≤ 23%). Population rank #18,390 of 29,740 among systems serving 500+.

The verdict

Aplington Water Supply lands in the middle third by violation volume (64), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,126 (mid served population (≤ 3,309)). Health-based share is 6% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#18,390 of 29,740
Population · /systems
#307 of 545
Population · IA
64
Total EPA violations on record
6%
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
Community
Owner Type
Local
Connections
440
County
Butler
School/Daycare
No
MCL Violations
4
Monitoring Violations
41
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2011
Nitrite MR 8 2013
Total Haloacetic Acids (HAA5) MR 5 2005
Nitrite MCL 4 2017
Chlorine MR 4 2011

Violation Count vs. the National Corpus

Aplington Water Supply has 64 recorded EPA violations, 63% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 37% carry more. 6% of this system's own violations are health-based (4 of 64), and it ranks #18,390 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)

64 Around the middle fewer violations than 37% 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

Health-based violations on Aplington Water Supply

4 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for IA1207061.

Sources: EPA SDWIS

Nationwide peers

64 violations · 1,126 served: nearest cross-state SDWIS matches.

What to do with Aplington Water Supply

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

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