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Tap water quality report

Seward, NE

EPA monitoring detected 21 contaminants across the 1 water supplier serving Seward. 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
7,700
people served
21
contaminants found

What was found in Seward'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-Nitrite
9565.5 µg/L 96%
of the EPA limit 10000 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Fluoride
1262 µg/L 32%
of the EPA limit 4000 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Copper
426.35 µg/L 33%
of the EPA limit 1300 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2017
1/1 SYR4
Barium
66.4 µg/L 3.3%
of the EPA limit 2000 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2017
1/1 SYR4
Monochloroacetic Acid
16.7 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Selenium
13.4 µg/L 27%
of the EPA limit 50 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2017
1/1 SYR4
Total Haloacetic Acids (HAA5)
12.785 µg/L 21%
of the EPA limit 60 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
TTHM
12.4 µg/L 16%
of the EPA limit 80 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Lithium
10.5 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2024
1/1 UCMR-5
Lead
7.4235 µg/L 49%
of the EPA limit 15 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2017
1/1 SYR4
Dibromochloromethane
5.06 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Bromoform
3.4535 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Combined Uranium
3.3376 µg/L 11%
of the EPA limit 30 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Gross Alpha, Excl. Radon And U
3.22 pCi/L 21%
of the EPA limit 15 pCi/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Bromodichloromethane
2.9715 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Arsenic
2.44 µg/L 24%
of the EPA limit 10 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2018
1/1 SYR4
Chloroform
1.268 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Dibromoacetic Acid
1.036 µg/L
No EPA limit set
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Ethylbenzene
0.9810 µg/L 0.1%
of the EPA limit 700 µg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2019
1/1 SYR4
Combined Radium (-226 And -228)
0.6640 pCi/L 13%
of the EPA limit 5 pCi/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2015
1/1 SYR4
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
Main supplier: SEWARD, CITY OF · 7,700 people · 2023
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 Seward

SupplierPopulation served
SEWARD, CITY OF 7,700

Frequently asked questions about Seward tap water

Is Seward tap water safe to drink?

EPA testing detected 21 contaminants in the water serving Seward. 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 Seward?

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

What contaminants are in Seward's water?

The contaminants EPA monitoring detected in Seward include Nitrate-Nitrite, Fluoride, Copper, Barium, Monochloroacetic Acid. 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.