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Counties → Iowa

County profile · EPA SDWIS + UCMR5

Pottawattamie County, Iowa

33 SDWIS-listed public water systems serve 85,108 people in Pottawattamie County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

33
SDWIS water systems Middle third of counties
2,294
Total violations Middle third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
50.0%
UCMR5 PFAS rate (4 tested) Upper third of counties with tests

SDWIS compliance plate

Sheet IA155 · Pottawattamie County 33 sys · 2,294 viol · #648/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 18.3% health
  • RANK-TOP #648/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 50.0% detect
  • SRC-GW GW lead 82%
  • SYS-SMALL 33 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Decatur County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Pottawattamie County ranks #648 of 3,254 counties by people served, and #9 of 99 counties in Iowa. See methodology · corpus placement.

Pottawattamie County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.3% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #648 of 3,254 · #9 of 99 in Iowa.

Flagged-rate neighbourhood around Pottawattamie County

Lowest/highest poles plus in-state counties nearest Pottawattamie County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Mahaska · lowest Decatur · near Muscatine · near 75% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Council Bluffs Water Works 64,447 24 Clean
Regional Water 4,132 36 Clean
Carter Lake Water District 3,791 73 Detected
Avoca Water Works 1,697 15 -
Urban Bluffs - North 1,558 17 Detected
Oakland Munic Water Utility 1,524 16 -
Treynor Water Department 1,049 22 -
Neola Light & Water 906 148 -
Lakeside Estates LLC 823 3 -
Crescent Water Supply 778 68 -
Walnut Municipal Utilities 768 40 -
Carson Water Supply 766 51 -
Minden Water Supply 598 41 -
Macedonia Water Supply 275 72 -
DOT-4 (I-680 Ra 024N Loveland) 255 36 -
Westfair 238 209 -
Hancock Water Supply 200 57 -
DOT-4 (I-680 Ra 023S Loveland) 175 37 -
Living Hope Community Church 150 59 -
Eastern Hills Baptist Church 149 278 -
Mt. Crescent Ski Area 128 223 -
Lewis and Clark Monument 102 18 -
The Learning Journey 90 12 -
Creighton University Retreat Center 89 16 -
Desoto Bend Mini Mart 87 57 -
St Pauls Evangelical Country Church 69 21 -
DOT-3 (Loveland 060 Scenic View) 55 12 -
Quail Run Country Club 45 83 -
Wabash Greenhouse 42 11 -
Country Estates Mobile Home Park 35 177 -
Hitchcock Nature Center 32 56 -
Town & Country Aqua Club 30 181 -
Aeroplane Inn 25 125 -

Compare beyond Iowa

Mid-flagged peers for Pottawattamie County

Cross-state counties nearest Pottawattamie County on flagged-system share (100.0%) and cumulative violation count (2,294). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

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

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.