Hamilton County, Iowa
SDWIS compliance plate
Sheet IA079 · Hamilton County 12 sys · 535 viol · #2091/3254
VIOL-SEVERE · HEALTH-MID · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 25.6% health
- RANK-LOWER #2091/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-SMALL 12 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Pottawattamie County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Hamilton County ranks #2,091 of 3,254 counties by people served, and #44 of 99 counties in Iowa. See methodology · corpus placement.
Hamilton 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 25.6% is health-based share above the upper 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 #2,091 of 3,254 · #44 of 99 in Iowa.
Flagged-rate neighbourhood around Hamilton County
Lowest/highest poles plus in-state counties nearest Hamilton County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Webster City Water Supply | 7,825 | 38 | Clean |
| Flying J No 572 | 1,892 | 87 | - |
| Jewell Water Supply | 1,216 | 18 | - |
| Stratford Muni Water Dept | 707 | 30 | - |
| Ellsworth Public Water Supply | 514 | 93 | - |
| Stanhope Water Department | 364 | 42 | - |
| Riverside Lutheran Bible Camp | 320 | 76 | - |
| Williams Water Supply | 315 | 32 | - |
| Blairsburg Water Supply | 177 | 38 | - |
| Community Church of Kamrar | 167 | 39 | - |
| Randall Water Supply | 154 | 19 | - |
| Super 8 Williams | 28 | 23 | - |
Compare beyond Iowa
Mid-flagged peers for Hamilton County
Cross-state counties nearest Hamilton County on flagged-system share (100.0%) and cumulative violation count (535). 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.