Marion County, Iowa
SDWIS compliance plate
Sheet IA125 · Marion County 14 sys · 760 viol · #1362/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 85.7% flagged
- HEALTH-LOW 7.2% health
- RANK-MID #1362/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-SMALL 14 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Story County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Marion County ranks #1,362 of 3,254 counties by people served, and #23 of 99 counties in Iowa. See methodology · corpus placement.
Marion 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 7.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #1,362 of 3,254 · #23 of 99 in Iowa.
Flagged-rate neighbourhood around Marion County
Lowest/highest poles plus in-state counties nearest Marion County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Pella Water Works Department | 11,052 | 418 | Clean |
| Knoxville Water Works | 8,400 | 20 | Clean |
| Marion Co. Rural Water District | 5,687 | 15 | Clean |
| Pleasantville Water Works | 1,676 | 15 | - |
| Melcher-Dallas Water Supply | 1,213 | 37 | Clean |
| Irua - Pershing Utilities | 488 | 16 | - |
| Bussey Water Supply | 427 | 104 | - |
| Wheel Estates Mhc | 315 | 0 | - |
| Colonial Terrace MHP LLC | 250 | 0 | - |
| Sunrise Mill | 237 | 12 | - |
| Harvey Water Works | 236 | 32 | - |
| Southshore Heights | 138 | 2 | - |
| Vista Village Mhc | 110 | 4 | - |
| Swan Water Works | 76 | 85 | - |
Compare beyond Iowa
Lower-flagged peers for Marion County
Cross-state counties nearest Marion County on flagged-system share (85.7%) and cumulative violation count (760). 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.