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Tap water quality report

Cedar Falls, IA

EPA monitoring detected 18 contaminants across the 2 water suppliers serving Cedar Falls. 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.

2
water suppliers
41,101
people served
18
contaminants found
Iowa rankings Lead in Iowa PFAS in Iowa

What was found in Cedar Falls'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
Nitrate
9430 µg/L 94%
of the EPA limit 10000 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
2/2 SYR4
Fluoride
825 µg/L 21%
of the EPA limit 4000 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2012
2/2 SYR4
Copper
551.6 µg/L 42%
of the EPA limit 1300 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
2/2 SYR4
Barium
191.25 µg/L 9.6%
of the EPA limit 2000 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2012
Highest in the city: 205.6 µg/L — CEDAR FALLS MOBILE HOME VILLAGE · 388 people · 2013
2/2 SYR4
Lithium
15.2 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2023
1/2 UCMR-5
TTHM
12.25 µg/L 15%
of the EPA limit 80 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Lead
5.0225 µg/L 33%
of the EPA limit 15 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
2/2 SYR4
Bromodichloromethane
4.075 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Chloroform
3.75 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Dibromochloromethane
3.525 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Dichloroacetic Acid
2 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Arsenic
1.89 µg/L 19%
of the EPA limit 10 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2012
1/2 SYR4
Combined Radium (-226 And -228)
1.59 pCi/L 32%
of the EPA limit 5 pCi/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2018
1/2 SYR4
Bromoform
1.53 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Dibromoacetic Acid
1.5 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Monobromoacetic Acid
1 µg/L
No EPA limit set
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2019
1/2 SYR4
Xylenes, Total
0.9900 µg/L 0%
of the EPA limit 10000 µg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2018
1/2 SYR4
Lead
0.0014 mg/L 9.3%
of the EPA limit 0.0150 mg/L
Main supplier: CEDAR FALLS MUNICIPAL WATER UTILITIES · 40,713 people · 2025
2/2 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 Cedar Falls

SupplierPopulation served
CEDAR FALLS MUNICIPAL WATER UTILITIES 40,713
CEDAR FALLS MOBILE HOME VILLAGE 388

Frequently asked questions about Cedar Falls tap water

Is Cedar Falls tap water safe to drink?

EPA testing detected 18 contaminants in the water serving Cedar Falls. 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 Cedar Falls?

2 public water suppliers report drinking-water monitoring for Cedar Falls, Iowa to the EPA. Each is listed above with its population served.

What contaminants are in Cedar Falls's water?

The contaminants EPA monitoring detected in Cedar Falls include Nitrate, Fluoride, Copper, Barium, Lithium. 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.