Richland Parish, Louisiana
SDWIS compliance plate
Sheet LA083 · Richland Parish 11 sys · 1,706 viol · #1586/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-MID · PHOTO-FINISH · PFAS-MID · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 90.9% flagged
- HEALTH-HIGH 45.4% health
- RANK-MID #1586/3254
- PHOTO-FINISH ±0.5 pp
- PFAS-MID 33.3% detect
- SRC-GW GW lead 100%
- SYS-SMALL 11 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Tangipahoa Parish (+ 0.5 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Richland Parish ranks #1,586 of 3,254 counties by people served, and #47 of 64 counties in Louisiana. See methodology · corpus placement.
Richland Parish 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 45.4% 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 #1,586 of 3,254 · #47 of 64 in Louisiana.
Flagged-rate neighbourhood around Richland Parish
Lowest/highest poles plus in-state counties nearest Richland Parish on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Rayville Water System | 4,842 | 409 | Detected |
| Archibald Water System | 4,200 | 50 | Clean |
| Delhi Water Supply | 4,071 | 19 | Clean |
| River Road Water System | 3,510 | 285 | - |
| East Richland Ww District | 2,835 | 65 | - |
| Start Water System | 2,514 | 15 | - |
| Holly Ridge Lodge Water System | 1,350 | 0 | - |
| Mangham Water System | 927 | 30 | - |
| Bcc Detention Center WS | 150 | 187 | - |
| Palmetto Addiction Recovery | 45 | 551 | - |
| Richland Heights Subd Water System | 30 | 95 | - |
Compare beyond Louisiana
Lower-flagged peers for Richland Parish
Cross-state counties nearest Richland Parish on flagged-system share (90.9%) and cumulative violation count (1,706). 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.