County profile · EPA SDWIS + UCMR5
Dallas County, Iowa
22 SDWIS-listed public water systems serve 73,706 people in Dallas County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 22
- SDWIS water systems Middle third of counties
- 1,211
- Total violations Middle third of counties
- 95.5%
- SDWIS systems w/ a violation Middle third of counties
- 0.0%
- UCMR5 PFAS rate (5 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet IA049 · Dallas County 22 sys · 1,211 viol · #707/3254
VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 95.5% flagged
- HEALTH-LOW 17.5% health
- RANK-UPPER #707/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 68%
- SYS-SMALL 22 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Wright County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Dallas County ranks #707 of 3,254 counties by people served, and #10 of 99 counties in Iowa. See methodology · corpus placement.
Dallas County standing, mid-flagged corpus third
Flagged-system rate 95.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 17.5% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #707 of 3,254 · #10 of 99 in Iowa.
Flagged-rate neighbourhood around Dallas County
Lowest/highest poles plus in-state counties nearest Dallas County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Waukee Water Supply | 31,823 | 67 | Clean |
| Xenia RWD (Des Moines) | 12,860 | 19 | Clean |
| Perry Municipal Water Works | 7,836 | 194 | Clean |
| Adel Municipal Water Works | 6,461 | 68 | Clean |
| Xenia RWD (Woodward) | 3,465 | 98 | Clean |
| Dallas Center Water Supply | 1,901 | 7 | - |
| Granger Muni Water Supply | 1,654 | 40 | - |
| Woodward Water Supply | 1,346 | 52 | - |
| Van Meter Municipal Water Work | 1,074 | 29 | - |
| DE Soto Water Supply | 960 | 95 | - |
| Midwest Country Estates | 820 | 0 | - |
| Redfield Water Works | 744 | 53 | - |
| Dexter Water Supply | 693 | 43 | - |
| Fox Creek Benefitted Wtr. District | 553 | 40 | - |
| Minburn Waterworks | 325 | 45 | - |
| Dmww-Greenbrier Estates | 300 | 46 | - |
| River Oaks Development | 215 | 76 | - |
| Wildwood Water Corporation | 170 | 9 | - |
| West Grand Golf | 157 | 17 | - |
| Beach Girls Bar | 155 | 82 | - |
| Dawson Water Works | 116 | 116 | - |
| Deer Hunters Run | 78 | 15 | - |
Compare beyond Iowa
Mid-flagged peers for Dallas County
Cross-state counties nearest Dallas County on flagged-system share (95.5%) and cumulative violation count (1,211). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.