Harrison County, Iowa
SDWIS compliance plate
Sheet IA085 · Harrison County 20 sys · 1,284 viol · #2341/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 95.0% flagged
- HEALTH-LOW 7.6% health
- RANK-LOWER #2341/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-SMALL 20 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Franklin County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Harrison County ranks #2,341 of 3,254 counties by people served, and #63 of 99 counties in Iowa. See methodology · corpus placement.
Harrison County standing, mid-flagged corpus third
Flagged-system rate 95.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 7.6% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Harrison County . Population served ranks #2,341 of 3,254 · #63 of 99 in Iowa.
Flagged-rate neighbourhood around Harrison County
Lowest/highest poles plus in-state counties nearest Harrison County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Missouri Valley Water Supply | 2,684 | 27 | - |
| Woodbine Water Department | 1,622 | 29 | - |
| Logan Water Supply | 1,397 | 36 | - |
| Woodland Camp Property Owners | 1,037 | 71 | - |
| Dunlap Water Supply | 1,035 | 72 | - |
| Desoto Natl Wildlife Refuge-Visitor Ctr | 505 | 36 | - |
| Mondamin Water Supply | 339 | 131 | - |
| Modale Water Supply | 280 | 72 | - |
| Pisgah Water Supply | 245 | 34 | - |
| Sunnyside Village MHP LLC | 190 | 149 | - |
| Magnolia, City Of | 188 | 136 | - |
| Logan-Missouri Valley Country Club | 178 | 110 | - |
| Little Sioux Water Department | 166 | 85 | - |
| The Twisted Tail | 85 | 4 | - |
| Valley View Water Association | 65 | 165 | - |
| Wilson Island State Rec Area | 60 | 94 | - |
| Nutrien Ag Solutions | 49 | 6 | - |
| The Fence Post | 25 | 13 | - |
| Woodbine Golf Course | 25 | 14 | - |
| Willow Lake Park-Harrison Cons | 25 | 0 | - |
Compare beyond Iowa
Mid-flagged peers for Harrison County
Cross-state counties nearest Harrison County on flagged-system share (95.0%) and cumulative violation count (1,284). 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.