← Louisiana

Tap water quality report

Prairie Road Water District

EPA monitoring tested this supplier for 80 contaminants and detected 22. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

80
contaminants tested
22
detected
2,598
people served
297
health-based violations
Water source
Ground water
Ownership
Private
Counties served
Ouachita Parish

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

297
health-based violations
341
violations on file
9
still open
ViolationTypeStatusPeriod
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2026-01-01 → 2026-03-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-10-01 → 2025-12-31
MCL Health-based Archived 2025-07-01 → 2025-09-30

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
TTHM
102.54 µg/L 128%
of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 130.6 µg/L
72/74 SYR4 2012–2019
Bromoform
58.62 µg/L
No EPA limit set
worst single sample: 88.8 µg/L
69/74 SYR4 2012–2019
Dibromochloromethane
33.505 µg/L
No EPA limit set
worst single sample: 46.8 µg/L
68/74 SYR4 2012–2019
Chloroform
7.38 µg/L
No EPA limit set
worst single sample: 11.8 µg/L
65/74 SYR4 2012–2019
Bromodichloromethane
11.4 µg/L
No EPA limit set
worst single sample: 15.5 µg/L
61/74 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
38.32 µg/L 64%
of the EPA limit 60 µg/L
worst single sample: 50.6 µg/L
45/74 SYR4 2012–2019
Dibromoacetic Acid
19.55 µg/L
No EPA limit set
worst single sample: 22.6 µg/L
43/74 SYR4 2012–2019
Dichloroacetic Acid
9.3525 µg/L
No EPA limit set
worst single sample: 10.5 µg/L
36/74 SYR4 2012–2019
Trichloroacetic Acid
8.56 µg/L
No EPA limit set
worst single sample: 10.4 µg/L
26/74 SYR4 2012–2019
Monochloroacetic Acid
9.153 µg/L
No EPA limit set
worst single sample: 10.8 µg/L
23/74 SYR4 2012–2019
Lead
18.5 µg/L 123%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 28 µg/L
20/36 SYR4 2013–2019
Monobromoacetic Acid
8.05 µg/L
No EPA limit set
worst single sample: 12.1 µg/L
19/74 SYR4 2012–2019
Copper
920 µg/L 71%
of the EPA limit 1300 µg/L
worst single sample: 1200 µg/L
15/36 SYR4 2013–2019
Fluoride
716.5 µg/L 18%
of the EPA limit 4000 µg/L
worst single sample: 720 µg/L
8/8 SYR4 2012–2018
Lead
0.0023 mg/L 15%
of the EPA limit 0.0150 mg/L
8/8 LCR 2025
Barium
15 µg/L 0.8%
of the EPA limit 2000 µg/L
6/8 SYR4 2012–2018
Arsenic
3 µg/L 30%
of the EPA limit 10 µg/L
3/8 SYR4 2012–2018
Di(2-ethylhexyl) Phthalate
0.8800 µg/L 15%
of the EPA limit 6 µg/L
worst single sample: 0.9100 µg/L
3/9 SYR4 2012–2018
Combined Radium (-226 And -228)
2.5386 pCi/L 51%
of the EPA limit 5 pCi/L
worst single sample: 2.64 pCi/L
2/5 SYR4 2016–2018
Gross Beta Particle Activity
1.9645 pCi/L
No EPA limit set
worst single sample: 1.99 pCi/L
2/10 SYR4 2012–2018
Dalapon
3.11 µg/L 1.6%
of the EPA limit 200 µg/L
1/10 SYR4 2012–2018
Mercury
1 µg/L 50%
of the EPA limit 2 µg/L
1/8 SYR4 2012–2018
58 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined UraniumDichloromethaneDi(2-ethylhexyl) AdipateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMethoxychlorNitrate-NitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
WHITE, ISAAC
Phone
318-322-8706
Email
[email protected]

Frequently asked questions about Prairie Road Water District

Is Prairie Road Water District tap water safe to drink?

EPA monitoring detected 22 contaminants in Prairie Road Water District's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Prairie Road Water District's water?

EPA monitoring detected TTHM, Bromoform, Dibromochloromethane, Chloroform, Bromodichloromethane, and others. The full list with the level and data source for each is above.

How many people does Prairie Road Water District serve?

Prairie Road Water District reports serving 2,598 people in Louisiana, per its EPA record.

Has Prairie Road Water District had any water quality violations?

The EPA has 341 violations on file for Prairie Road Water District, of which 297 are health-based (a contaminant limit or required treatment was breached) and 9 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.