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Tap water quality report

Columbia/Adair Utilities District

EPA monitoring tested this supplier for 102 contaminants and detected 9. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

102
contaminants tested
9
detected
22,113
people served
19
health-based violations
Kentucky rankingsLead in KentuckyPFAS in Kentucky
Water source
Surface water
Ownership
Local government
Counties served
Adair

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.

19
health-based violations
58
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2025-09-01
TT Health-based Resolved 2025-09-01
TT Health-based Resolved 2025-09-01
TT Health-based Resolved 2025-09-01
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2010-01-01 → 2010-03-31
MCL Health-based Resolved 2009-10-01 → 2009-12-31

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
77.38 µg/L 97%
of the EPA limit 80 µg/L
worst single sample: 108 µg/L
105/105 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
66.6 µg/L 111%
of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 81 µg/L
105/105 SYR4 2012–2019
Copper
60 µg/L 4.6%
of the EPA limit 1300 µg/L
worst single sample: 230 µg/L
21/38 SYR4 2012–2019
Fluoride
1000 µg/L 25%
of the EPA limit 4000 µg/L
 16/16 SYR4 2012–2019
Nitrate
1300 µg/L 13%
of the EPA limit 10000 µg/L
 16/16 SYR4 2012–2019
Atrazine
0.2410 µg/L 8%
of the EPA limit 3 µg/L
worst single sample: 0.2500 µg/L
10/19 SYR4 2012–2019
Barium
20 µg/L 1%
of the EPA limit 2000 µg/L
 8/8 SYR4 2012–2019
Lead
3 µg/L 20%
of the EPA limit 15 µg/L
 4/30 SYR4 2017
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
 3/3 LCR 2023
93 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalArsenicAsbestosBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumCombined Radium (-226 And -228)Combined UraniumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneLithiumO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
BARNETT, CHAD
Phone
270-465-2200
Email
[email protected]

Frequently asked questions about Columbia/Adair Utilities District

Is Columbia/Adair Utilities District tap water safe to drink?

EPA monitoring detected 9 contaminants in Columbia/Adair Utilities 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 Columbia/Adair Utilities District's water?

EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Copper, Fluoride, Nitrate, and others. The full list with the level and data source for each is above.

How many people does Columbia/Adair Utilities District serve?

Columbia/Adair Utilities District reports serving 22,113 people in Kentucky, per its EPA record.

Has Columbia/Adair Utilities District had any water quality violations?

The EPA has 58 violations on file for Columbia/Adair Utilities District, of which 19 are health-based (a contaminant limit or required treatment was breached) and 0 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.