County profile · EPA SDWIS + UCMR5
Orleans Parish, Louisiana
10 SDWIS-listed public water systems serve 389,093 people in Orleans Parish. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 10
- SDWIS water systems Smaller third of counties
- 157
- Total violations Lower third of counties
- 100.0%
- SDWIS systems w/ a violation Middle third of counties
- 100.0%
- UCMR5 PFAS rate (2 tested) Upper third of counties with tests
SDWIS compliance plate
Sheet LA071 · Orleans Parish 10 sys · 157 viol · #186/3254
VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 26.1% health
- RANK-TOP #186/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 100.0% detect
- SRC-SW SW lead 90%
- SYS-SMALL 10 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, Orleans Parish ranks #186 of 3,254 counties by people served, and #3 of 64 counties in Louisiana. See methodology · corpus placement.
Orleans 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 26.1% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #186 of 3,254 · #3 of 64 in Louisiana.
Flagged-rate neighbourhood around Orleans Parish
Lowest/highest poles plus in-state counties nearest Orleans Parish on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| New Orleans Carrollton Water Works | 334,903 | 30 | Detected |
| New Orleans Algiers Water Works | 52,785 | 44 | Detected |
| Irish Bayou Travel Center | 450 | 7 | - |
| Pno Alabo Street Wharf | 300 | 12 | - |
| Pno Cruise Terminals | 200 | 12 | - |
| Pno Uptown Facilities | 179 | 12 | - |
| Pno 3401 Jourdan Road | 175 | 8 | - |
| Pno Louisiana Next Cotton Warehouse | 46 | 12 | - |
| Pno Elaine Street Wharf | 29 | 8 | - |
| Pno Harmony St. Wharf | 26 | 12 | - |
Compare beyond Louisiana
Mid-flagged peers for Orleans Parish
Cross-state counties nearest Orleans Parish on flagged-system share (100.0%) and cumulative violation count (157). 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.