Well water in Pierce County, Nebraska
In Pierce County, 27% of 154 tested well samples exceeded the EPA limit for nitrate (10 mg/L), based on public data from Nebraska Groundwater Quality Clearinghouse and USGS Water Quality Portal.
154 individual samples from 123 wells, 1961 to 2026. Data refreshed September 9, 2026.
What individual samples found
Each row summarizes every public sample for that contaminant inside Pierce County. Above limit means above the EPA maximum contaminant level; where EPA has no enforceable limit, the row shows a health guideline or nuisance level instead.
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What this means
The contaminants most often above their limit here are uranium (72% of 18 samples) and nitrate (27% of 154 samples). A well next door can differ sharply from yours because bedrock fractures, well depth and plumbing all matter, so these rates describe the area, not your tap.
What to test for in Pierce County
- Uranium72% of 18 local samples were above the limit.
- Nitrate27% of 154 local samples were above the limit.
- Coliform bacteriaRecommended for every private well, every year.
- RadonMedian local reading is 210 pCi/L.
- FluorideDetected in 100% of local samples.
Treatment that fits the local profile
- Uranium
- Point-of-use reverse osmosis; Anion exchange; Whole-house anion exchange
- Nitrate
- Point-of-use reverse osmosis; Anion exchange; Distillation
- Fluoride
- Point-of-use reverse osmosis; Activated alumina; Distillation
Get your Pierce County water tested at home
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Common questions
Is there arsenic in well water in Pierce County?
Arsenic was detected in 100% of 1 public well samples in Pierce County, and 0% were above the EPA limit of 10 ug/L. Arsenic has no taste or smell; a lab test is the only way to know your level.
How high is radon in well water in Pierce County?
The median radon level across 4 public samples in Pierce County was 210 pCi/L, with a high of 360 pCi/L. New Hampshire recommends treatment above 2,000 pCi/L.
How often should I test a private well in Pierce County?
Test for bacteria and nitrate every year. Test once for arsenic, uranium, radon, fluoride, manganese and PFAS, then again every three to five years or after any change in taste, color, or plumbing.
Sources
- Nebraska Groundwater Quality Clearinghouse: 152 samples in Pierce County. Groundwater quality results compiled by the Nebraska Department of Environment and Energy, University of Nebraska and Nebraska Department of Agriculture in the Groundwater Quality Clearinghouse, contributed by Natural Resources Districts and state agencies. Retrieved September 9, 2026.
- USGS Water Quality Portal: 35 samples in Pierce County. Data from the Water Quality Portal, a service of USGS, EPA and USDA; groundwater samples collected by USGS and cooperators. Retrieved September 3, 2026.
Non-detects count as samples and are treated as zero when computing medians. Exactly at the limit counts as not above it. A sample belongs to the town containing the well's reported coordinates.