Lafourche Parish, Louisiana
SDWIS compliance plate
Sheet LA057 · Lafourche Parish 2 sys · 191 viol · #594/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-HIGH 72.8% health
- RANK-TOP #594/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 50.0% detect
- SRC-SW SW lead 100%
- SYS-TINY 2 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Jefferson Parish (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Lafourche Parish ranks #594 of 3,254 counties by people served, and #15 of 64 counties in Louisiana. See methodology · corpus placement.
Lafourche Parish 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 72.8% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #594 of 3,254 · #15 of 64 in Louisiana.
Flagged-rate neighbourhood around Lafourche Parish
Lowest/highest poles plus in-state counties nearest Lafourche Parish on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Lafourche Water District 1 | 81,609 | 11 | Detected |
| Thibodaux Waterworks | 14,862 | 180 | Clean |
Compare beyond Louisiana
Mid-flagged peers for Lafourche Parish
Cross-state counties nearest Lafourche Parish on flagged-system share (100.0%) and cumulative violation count (191). In-state neighbours stay on the compliance plate above.
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.