PlainWater

Iberia Parish, Louisiana

SDWIS compliance plate

Sheet LA045 · Iberia Parish 15 sys · 690 viol · #693/3254

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

  • VIOL-SEVERE 93.3% flagged
  • HEALTH-HIGH 53.9% health
  • RANK-UPPER #693/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 15 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Ouachita Parish (+ 0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Iberia Parish ranks #693 of 3,254 counties by people served, and #17 of 64 counties in Louisiana. See methodology · corpus placement.

Iberia Parish standing, mid-flagged corpus third

Flagged-system rate 93.3% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 53.9% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #693 of 3,254 · #17 of 64 in Louisiana.

Flagged-rate neighbourhood around Iberia Parish

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

0% 20% 40% 60% 80% 100% St. Tammany Pa · lowest St. John the B · near Ouachita Paris · near East Carroll P · highest 78.9% 91.7% 91.7% 93.3% 93.5% 93.9% 100%

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

Water Systems

Compare beyond Louisiana

Mid-flagged peers for Iberia Parish

Cross-state counties nearest Iberia Parish on flagged-system share (93.3%) and cumulative violation count (690). 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. 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.