Clark County, Indiana
SDWIS compliance plate
Sheet IN019 · Clark County 11 sys · 1,313 viol · #353/3254
VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 90.9% flagged
- HEALTH-LOW 12.9% health
- RANK-TOP #353/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-MID 33.3% detect
- SRC-GW GW lead 91%
- SYS-SMALL 11 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Delaware County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Clark County ranks #353 of 3,254 counties by people served, and #7 of 92 counties in Indiana. See methodology · corpus placement.
Clark County standing, lower-flagged corpus third
Flagged-system rate 90.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 12.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #353 of 3,254 · #7 of 92 in Indiana.
Flagged-rate neighbourhood around Clark County
Lowest/highest poles plus in-state counties nearest Clark County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Indiana American Water - S. Indiana | 104,445 | 1 | Clean |
| Watson Rural Water Company | 15,750 | 119 | Clean |
| Sellersburg Water Department | 15,655 | 221 | Detected |
| Borden Tri-County Region | 11,637 | 400 | Clean |
| Charlestown/River Ridge | 10,500 | 5 | Clean |
| Indiana American Water - Charlestown | 8,658 | 84 | Detected |
| Rural Membership Water Corp. of Clark Co | 8,250 | 41 | Clean |
| Marysville Otisco Nabb Water Corp. | 6,813 | 33 | Detected |
| Washington Township Water | 4,315 | 146 | Clean |
| Indiana American Water - Rivers Edge | 610 | 0 | - |
| Sunflower Valley Water Co, Inc. | 75 | 263 | - |
Compare beyond Indiana
Lower-flagged peers for Clark County
Cross-state counties nearest Clark County on flagged-system share (90.9%) and cumulative violation count (1,313). 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.