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Tap water quality report

Liberty, MO

EPA monitoring detected 19 contaminants across the 5 water suppliers serving Liberty. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

5
water suppliers
36,858
people served
19
contaminants found
Missouri rankings Lead in Missouri PFAS in Missouri

What was found in Liberty's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Fluoride
835 µg/L 21%
of the EPA limit 4000 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2017
1/5 SYR4
Barium
95.11 µg/L 4.8%
of the EPA limit 2000 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2017
1/5 SYR4
Nitrate-Nitrite
95 µg/L 1%
of the EPA limit 10000 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2019
1/5 SYR4
TTHM
70.3 µg/L 88%
of the EPA limit 80 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 90.705 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
4/5 SYR4
Chloroform
34.35 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 47.83 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
4/5 SYR4
Copper
39.44 µg/L 3%
of the EPA limit 1300 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2018
Highest in the city: 45.615 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2018
4/5 SYR4
Lithium
31.8 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2024
1/5 UCMR-5
Total Haloacetic Acids (HAA5)
30.16 µg/L 50%
of the EPA limit 60 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2019
4/5 SYR4
Bromodichloromethane
19.365 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 25.445 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
4/5 SYR4
Dichloroacetic Acid
13.44 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 22.14 µg/L — CLAY COUNTY PWSD 2 · 3,485 people · 2019
4/5 SYR4
Lead
8.926 µg/L 60%
of the EPA limit 15 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2018
Highest in the city: 19.84 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2018
4/5 SYR4
Dibromochloromethane
12.02 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 14.72 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
2/5 SYR4
Monobromoacetic Acid
12.25 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
2/5 SYR4
Trichloroacetic Acid
7.016 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 9.64 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
4/5 SYR4
Monochloroacetic Acid
8.513 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
1/5 SYR4
Dibromoacetic Acid
3.9 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 4.6425 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
2/5 SYR4
Chromium
3.24 µg/L 3.2%
of the EPA limit 100 µg/L
Main supplier: LIBERTY PWS · 30,800 people · 2017
1/5 SYR4
Bromoform
1.8225 µg/L
No EPA limit set
Main supplier: LIBERTY PWS · 30,800 people · 2019
Highest in the city: 2.1245 µg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2019
2/5 SYR4
Lead
0.0046 mg/L 31%
of the EPA limit 0.0150 mg/L
Main supplier: LIBERTY PWS · 30,800 people · 2024
Highest in the city: 0.0065 mg/L — CLAY COUNTY PWSD 4 · 1,032 people · 2024
5/5 LCR
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 the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Liberty

SupplierPopulation served
LIBERTY PWS 30,800
CLAY COUNTY PWSD 2 3,485
CLAY COUNTY PWSD 5 1,191
CLAY COUNTY PWSD 4 1,032
LIBERTY VILLAGE MHP 350

Frequently asked questions about Liberty tap water

Is Liberty tap water safe to drink?

EPA testing detected 19 contaminants in the water serving Liberty. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Liberty?

5 public water suppliers report drinking-water monitoring for Liberty, Missouri to the EPA. Each is listed above with its population served.

What contaminants are in Liberty's water?

The contaminants EPA monitoring detected in Liberty include Fluoride, Barium, Nitrate-Nitrite, TTHM, Chloroform. The full list, with the level at the main supplier and the data source, is in the table above.

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.