County profile · EPA SDWIS + UCMR5
De Soto Parish, Louisiana
12 SDWIS-listed public water systems serve 35,429 people in De Soto Parish. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 12
- SDWIS water systems Middle third of counties
- 2,418
- Total violations Middle third of counties
- 91.7%
- SDWIS systems w/ a violation Lower third of counties
- 50.0%
- UCMR5 PFAS rate (4 tested) Upper third of counties with tests
SDWIS compliance plate
Sheet LA031 · De Soto Parish 12 sys · 2,418 viol · #1213/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 91.7% flagged
- HEALTH-HIGH 64.4% health
- RANK-UPPER #1213/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 50.0% detect
- SRC-GW GW lead 75%
- SYS-SMALL 12 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Vermilion Parish (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, De Soto Parish ranks #1,213 of 3,254 counties by people served, and #35 of 64 counties in Louisiana. See methodology · corpus placement.
De Soto Parish standing, lower-flagged corpus third
Flagged-system rate 91.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 64.4% 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 #1,213 of 3,254 · #35 of 64 in Louisiana.
Flagged-rate neighbourhood around De Soto Parish
Lowest/highest poles plus in-state counties nearest De Soto Parish on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Desoto Parish Water Works District 1 | 7,887 | 412 | Detected |
| North Desoto Water System | 7,608 | 36 | Clean |
| Mansfield Water System | 7,512 | 236 | Detected |
| Keatchie Water System | 3,759 | 235 | Clean |
| Logansport Water System | 2,448 | 135 | - |
| East Desoto Water System | 1,455 | 365 | - |
| Rambin-Wallace Water System | 1,161 | 37 | - |
| South Desoto Water System | 963 | 691 | - |
| South Mansfield Water System | 933 | 195 | - |
| International Paper (Mansfield) | 908 | 0 | - |
| Grand Cane Water System | 675 | 45 | - |
| Kinsey Scout Reservation Water System | 120 | 31 | - |
Compare beyond Louisiana
Lower-flagged peers for De Soto Parish
Cross-state counties nearest De Soto Parish on flagged-system share (91.7%) and cumulative violation count (2,418). 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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.