County profile · EPA SDWIS + UCMR5
Louisa County, Iowa
22 SDWIS-listed public water systems serve 9,731 people in Louisa County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 22
- SDWIS water systems Middle third of counties
- 1,727
- Total violations Middle third of counties
- 100.0%
- SDWIS systems w/ a violation Middle third of counties
- -
- UCMR5 PFAS (none tested) No UCMR5 tests
SDWIS compliance plate
Sheet IA115 · Louisa County 22 sys · 1,727 viol · #2377/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 19.1% health
- RANK-LOWER #2377/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-SMALL 22 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Pottawattamie County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Louisa County ranks #2,377 of 3,254 counties by people served, and #64 of 99 counties in Iowa. See methodology · corpus placement.
Louisa 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 19.1% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Louisa County . Population served ranks #2,377 of 3,254 · #64 of 99 in Iowa.
Flagged-rate neighbourhood around Louisa County
Lowest/highest poles plus in-state counties nearest Louisa County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Wapello Municipal Water Works | 2,096 | 33 | - |
| Columbus Junction Water Supply | 1,830 | 45 | - |
| Tyson Fresh Meats Inc (Columbus Jct) | 1,300 | 59 | - |
| Louisa-Muscatine Community School | 1,190 | 166 | - |
| Morning Sun Water Department | 752 | 127 | - |
| Caseys #3449 | 715 | 50 | - |
| Grandview Muni Water Dept | 437 | 66 | - |
| Columbus City Public Water Supply | 392 | 49 | - |
| Oakville Water Supply | 200 | 101 | - |
| Cedarcrest Golf & Country Club | 146 | 70 | - |
| Ship's Place | 136 | 21 | - |
| Woodland Wapello Mobile Home Park | 126 | 179 | - |
| The Junction Bar & Grill | 72 | 25 | - |
| Deese Thirsty Camel | 67 | 115 | - |
| Heritage Oaks Golf & Country Club | 60 | 53 | - |
| Louisa Co Law Enforcement Ctr | 46 | 134 | - |
| Wiele Motor | 31 | 12 | - |
| Lake Odessa Cabin Owners Assoc. | 31 | 48 | - |
| Papas Paradise Campground | 27 | 256 | - |
| Letts Community Building | 27 | 4 | - |
| Natural Gas Pipeline Station # 204 | 25 | 28 | - |
| Odessa Dells | 25 | 86 | - |
Compare beyond Iowa
Mid-flagged peers for Louisa County
Cross-state counties nearest Louisa County on flagged-system share (100.0%) and cumulative violation count (1,727). 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.