Story County, Iowa
SDWIS compliance plate
Sheet IA169 · Story County 21 sys · 1,299 viol · #509/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-LOW · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 85.7% flagged
- HEALTH-LOW 9.9% health
- RANK-TOP #509/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-LOW 16.7% detect
- SRC-GW GW lead 76%
- SYS-SMALL 21 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Marion County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Story County ranks #509 of 3,254 counties by people served, and #6 of 99 counties in Iowa. See methodology · corpus placement.
Story County standing, lower-flagged corpus third
Flagged-system rate 85.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 9.9% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 16.7% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #509 of 3,254 · #6 of 99 in Iowa.
Flagged-rate neighbourhood around Story County
Lowest/highest poles plus in-state counties nearest Story County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Ames Water Treatment Plant | 55,177 | 34 | Clean |
| Isu | 42,000 | 49 | Clean |
| Nevada Water Supply | 6,925 | 212 | Clean |
| Huxley Waterworks Dept | 4,244 | 19 | Clean |
| Story City Water Dept | 3,357 | 40 | Clean |
| Slater Muni Water Dept | 1,548 | 40 | - |
| Roland Water Supply | 1,394 | 57 | - |
| Gilbert Water Supply | 1,211 | 164 | - |
| Maxwell Water Department | 859 | 46 | - |
| Colo Water Supply | 853 | 34 | - |
| Cambridge Water Supply | 832 | 43 | Detected |
| Zearing Water Department | 528 | 97 | - |
| Collins Water Supply | 505 | 88 | - |
| McCallsburg Water Supply | 353 | 74 | - |
| Kelley Water Supply | 304 | 8 | - |
| New Horizons MHP LLC | 298 | 0 | - |
| Irua (Huxley) | 205 | 0 | - |
| Maple Grove Mhc | 160 | 164 | - |
| Hammond Estates | 150 | 0 | - |
| Squaw Valley South Subdivision | 105 | 69 | - |
| Alluvial Brewing Company | 100 | 61 | - |
Compare beyond Iowa
Lower-flagged peers for Story County
Cross-state counties nearest Story County on flagged-system share (85.7%) and cumulative violation count (1,299). 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. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.