Well Water in Nebraska
Contaminant risks, testing requirements, and treatment recommendations for private well owners in Nebraska.
Nebraska Geology and Groundwater
Nebraska sits on High Plains (Ogallala) aquifer. This geology directly determines what contaminants are likely in private well water. Based on this geology, Nebraska well owners face elevated risk for nitrate from agricultural activity. Moderate risk exists for arsenic, PFAS, uranium.
Contaminant Risk Profile
| Contaminant | Risk Level | Why |
|---|---|---|
| Arsenic | Moderate risk | Some geological zones have elevated levels. Test recommended. |
| Nitrate | Elevated risk | Agricultural runoff and septic systems. Dangerous for infants. EPA MCL: 10 mg/L. |
| Radon | Low risk | Not a primary concern in most of this state. |
| PFAS | Moderate risk | Some known contamination sites exist. Check EWG's PFAS map for your area. |
| Iron/Manganese | Moderate risk | Found in some wells depending on local geology. |
| Uranium | Moderate risk | Some geological zones may have elevated levels. |
How Nebraska Compares: Municipal Water Data
CheckMyTap tracks water quality for 10 cities in Nebraska. While these numbers reflect municipal water (not private wells), they indicate the baseline mineral content of Nebraska's water sources. Private wells often draw from the same aquifers but with less treatment.
| Metric | Nebraska Average | National Average |
|---|---|---|
| Hardness | 248 PPM (very hard) | 170 PPM |
| Hardness range | 170 - 285 PPM | 25 - 400+ PPM |
| Lead (avg municipal) | 4.1 ppb | 3.2 ppb |
| Nitrate (avg municipal) | 0.8 mg/L | 1.1 mg/L |
| Cities with PFAS detected | 2 of 10 | ~45% nationally |
| Cities exceeding PFAS MCL (4 ppt) | 2 |
Hardest water in Nebraska: Bellevue (285 PPM), Papillion (280 PPM), Columbus (275 PPM), Kearney (270 PPM), Fremont (265 PPM).
Testing Requirements in Nebraska
Nebraska does not have a statewide mandatory testing requirement for existing private wells. Regardless of state requirements, the EPA recommends testing annually for:
- Every year: Total coliform bacteria, E. coli, nitrate, pH, and total dissolved solids
- At least once: Arsenic, lead, copper, fluoride, and any contaminant identified as a local risk
- Recommended for Nebraska: PFAS panel, especially if near military bases or industrial sites
- Recommended for Nebraska: Uranium, especially in areas with granitic or metamorphic bedrock
- After events: Retest after flooding, well repairs, nearby construction, or any change in taste/color/odor
Recommended Treatment for Nebraska Wells
Based on Nebraska's geology and common contaminant risks, these treatment systems address the most likely issues:
Removes arsenic, uranium, and most dissolved contaminants from drinking water
Learn moreNebraska groundwater averages 248 PPM. A softener prevents scale damage, reduces energy waste, and extends appliance life
Learn moreKills bacteria and viruses without chemicals. Recommended for all well water systems
Frequently Asked Questions
Is well water in Nebraska safe to drink?
Well water quality in Nebraska varies significantly by location and geology. Nebraska sits on High Plains (Ogallala) aquifer. Key concerns include nitrate from agricultural activity. The only way to know your specific water quality is to test it. Use our free interpreter to understand your results.
How often should I test my well water in Nebraska?
The EPA recommends testing annually for bacteria (total coliform, E. coli), nitrate, total dissolved solids, and pH. Given Nebraska's arsenic risk, test for arsenic at least once and after any changes to your well. Test more frequently if you notice changes in taste, color, or odor, or after flooding, nearby construction, or well repairs.
Does Nebraska require well water testing?
Nebraska does not have a statewide mandatory testing requirement for existing private wells. However, the EPA strongly recommends annual testing regardless of state requirements. Your county health department may have additional local requirements.
What is the average water hardness in Nebraska?
Municipal water in Nebraska averages 248 PPM across 10 cities tracked by CheckMyTap, ranging from 170 to 285 PPM. Private well water typically runs 20-50% harder than city water because groundwater has more contact time with mineral formations. Most Nebraska well owners benefit from a water softener. Check your city's data.