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County profile · EPA SDWIS + UCMR5

Wells County, Indiana

25 SDWIS-listed public water systems serve 21,120 people in Wells County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

25
SDWIS water systems Middle third of counties
1,203
Total violations Middle third of counties
96.0%
SDWIS systems w/ a violation Middle third of counties
0.0%
UCMR5 PFAS rate (1 tested) Lower third of counties with tests

SDWIS compliance plate

Sheet IN179 · Wells County 25 sys · 1,203 viol · #1721/3254

VIOL-SEVERE · HEALTH-LOW · RANK-MID · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 96.0% flagged
  • HEALTH-LOW 7.7% health
  • RANK-MID #1721/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 25 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: DeKalb County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Wells County ranks #1,721 of 3,254 counties by people served, and #61 of 92 counties in Indiana. See methodology · corpus placement.

Wells County standing, mid-flagged corpus third

Flagged-system rate 96.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 7.7% 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 #1,721 of 3,254 · #61 of 92 in Indiana.

Flagged-rate neighbourhood around Wells County

Lowest/highest poles plus in-state counties nearest Wells County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Hendricks · lowest Morgan · near Wells · this county Union · highest 84.9% 95.7% 95.7% 95.8% 96% 96.6% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

Compare beyond Indiana

Mid-flagged peers for Wells County

Cross-state counties nearest Wells County on flagged-system share (96.0%) and cumulative violation count (1,203). 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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.