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Tap water quality report

Story City, IA

EPA monitoring detected 14 contaminants across the 1 water supplier serving Story City. 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.

1
water supplier
3,357
people served
14
contaminants found
Iowa rankings Lead in Iowa PFAS in Iowa

What was found in Story City'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
700 µg/L 18%
of the EPA limit 4000 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2018
1/1 SYR4
Nitrate
490 µg/L 4.9%
of the EPA limit 10000 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Barium
190 µg/L 9.5%
of the EPA limit 2000 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2018
1/1 SYR4
Copper
180.5 µg/L 14%
of the EPA limit 1300 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Lead
59.9 µg/L 399%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
TTHM
14.22 µg/L 18%
of the EPA limit 80 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Chloroform
10.5075 µg/L
No EPA limit set
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Total Haloacetic Acids (HAA5)
6.3325 µg/L 11%
of the EPA limit 60 µg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Dichloroacetic Acid
3.75 µg/L
No EPA limit set
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Bromodichloromethane
2.92 µg/L
No EPA limit set
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Trichloroacetic Acid
2.8 µg/L
No EPA limit set
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Monochloroacetic Acid
2.26 µg/L
No EPA limit set
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Dibromochloromethane
0.9900 µg/L
No EPA limit set
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2019
1/1 SYR4
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
Main supplier: STORY CITY WATER DEPT · 3,357 people · 2025
1/1 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 Story City

SupplierPopulation served
STORY CITY WATER DEPT 3,357

Frequently asked questions about Story City tap water

Is Story City tap water safe to drink?

EPA testing detected 14 contaminants in the water serving Story City. 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 Story City?

1 public water supplier report drinking-water monitoring for Story City, Iowa to the EPA. Each is listed above with its population served.

What contaminants are in Story City's water?

The contaminants EPA monitoring detected in Story City include Fluoride, Nitrate, Barium, Copper, 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.