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Tap water quality report

Slippery Rock, PA

EPA monitoring detected 15 contaminants across the 3 water suppliers serving Slippery Rock. 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.

3
water suppliers
15,915
people served
15
contaminants found
Pennsylvania rankings Lead in Pennsylvania PFAS in Pennsylvania

What was found in Slippery Rock'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
Barium
806.2 µg/L 40%
of the EPA limit 2000 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2018
2/3 SYR4
Copper
640 µg/L 49%
of the EPA limit 1300 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
3/3 SYR4
Fluoride
409 µg/L 10%
of the EPA limit 4000 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2018
3/3 SYR4
Nitrate
190 µg/L 1.9%
of the EPA limit 10000 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
1/3 SYR4
Lead
30 µg/L 200%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
Highest in the city: 50.55 µg/L — BEACON LITE MOBILE ESTATES · 100 people · 2019
3/3 SYR4
TTHM
41.49 µg/L 52%
of the EPA limit 80 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
1/3 SYR4
Bromoform
36.72 µg/L
No EPA limit set
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
1/3 SYR4
Lithium
29.8 µg/L
No EPA limit set
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2023
2/3 UCMR-5
Total Haloacetic Acids (HAA5)
13.44 µg/L 22%
of the EPA limit 60 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
2/3 SYR4
Dibromoacetic Acid
6.6545 µg/L
No EPA limit set
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
1/3 SYR4
Dibromochloromethane
5.798 µg/L
No EPA limit set
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
1/3 SYR4
Dichloroacetic Acid
1.25 µg/L
No EPA limit set
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
Highest in the city: 2 µg/L — MAPLE MANOR MHP · 37 people · 2019
2/3 SYR4
Bromodichloromethane
1.357 µg/L
No EPA limit set
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2019
1/3 SYR4
Cadmium
0.2000 µg/L 4%
of the EPA limit 5 µg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2018
1/3 SYR4
Lead
0.00055 mg/L 3.7%
of the EPA limit 0.0150 mg/L
Main supplier: SLIPPERY ROCK MUNI AUTH · 15,778 people · 2025
Highest in the city: 0.0249 mg/L — BEACON LITE MOBILE ESTATES · 100 people · 2016
3/3 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 Slippery Rock

SupplierPopulation served
SLIPPERY ROCK MUNI AUTH 15,778
BEACON LITE MOBILE ESTATES 100
MAPLE MANOR MHP 37

Frequently asked questions about Slippery Rock tap water

Is Slippery Rock tap water safe to drink?

EPA testing detected 15 contaminants in the water serving Slippery Rock. 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 Slippery Rock?

3 public water suppliers report drinking-water monitoring for Slippery Rock, Pennsylvania to the EPA. Each is listed above with its population served.

What contaminants are in Slippery Rock's water?

The contaminants EPA monitoring detected in Slippery Rock include Barium, Copper, Fluoride, Nitrate, Lead. 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.