Drinking water quality · 2024
· Verified
What's in Omaha, NE tap water
32 contaminants were measured in the Omaha, NE water system's 2024 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 32
- Over federal limit
- 2
- Approaching the limit
- 0
- Worst contaminant
- Trichloroacetic acid
- Service area
- NE
Where your water comes from · EPA SDWIS
Omaha, NE's drinking water comes from ground water, drawn from 87 sources.
Source
- PW · 42
- PS · 40
- MISSOURI RIVER INTAKE
- WELL R1
- + 3 more
Treatment
- MAPLE ROAD PUMP STATION BOOSTER CL2
- PLATTE SOUTH WTP 002
- 132ND & HARNEY PUMP STATION BOOSTER CL2
- + 17 more
Distribution
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Treatment technique violationHealth-based1 violation on record · most recent Dec 2000resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Trichloroacetic acidA haloacetic acid disinfection byproduct. | 2.97 mg/LAverageSystem-wide | None set | At or above the limit |
| Dibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 1.53 mg/LAverageSystem-wide | None set | At or above the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.83 mg/LReported levelSystem-wide | 4 mg/LMCLG | Within the limit |
| BromideA naturally occurring salt found in source water. | 65.6 ug/LReported levelSystem-wide | None set | Detected — no federal limit |
+By source (3)— of Levels Detected 2, of Levels Detected 3, of Levels Detected 4
| |||
| Bromochloroacetic acidA mixed-halogen haloacetic acid disinfection byproduct. | 4.6AverageSystem-wide | None set | Detected — no federal limit |
+By source (2)— of Levels Detected 2, of Levels Detected 3
| |||
| Dichloroacetic acidA haloacetic acid disinfection byproduct. | 13.8AverageSystem-wide | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 126 mg/LAverageSystem-wide | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 47.5 ug/LRunning annual avgSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 19.9 ug/LRunning annual avgSystem-wide | None set | Within the limit |
| Bromodichloroacetic acidA brominated haloacetic acid disinfection byproduct. | 8.93–15Reported level<0.50 Ppb | None set | Detected — no federal limit |
| BromodichloromethaneA trihalomethane disinfection byproduct. | 11.8AverageSystem-wide | None set | Detected — no federal limit |
| BromoformA trihalomethane disinfection byproduct. | 0.7AverageSystem-wide | None set | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 26AverageSystem-wide | None set | Detected — no federal limit |
| DibromochloromethaneA trihalomethane disinfection byproduct. | 5.52AverageSystem-wide | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 7.59 ug/L90th percentileAt the tap | 0 ug/LMCLG | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 4.9 ug/LReported levelSystem-wide | 0 ug/LMCLG | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | 4.92 ug/LReported levelSystem-wide | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.118 mg/LReported levelSystem-wide | 2 mg/LMCLG | Within the limit |
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 1.74 ug/LReported levelSystem-wide | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.0186 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | Within the limit |
| GermaniumA trace metalloid found in some source water. | 2.68 ug/LReported level<0.40 Ppb | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 102Reported levelSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 83 mg/LReported levelSystem-wide | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 6.38 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.54 pCi/LAverageSystem-wide | None set | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.4 NTUReported levelSystem-wide | None set | Within the limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.89AverageSystem-wide | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Nitrate Nitrite | 2.9 mg/LReported levelSystem-wide | 10 mg/LMCLG | Within the limit |
| Endrin | 0.143 ug/LReported levelSystem-wide | None set | Within the limit |
| Mcaa | 2.01AverageSystem-wide | None set | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | 0.326 ug/LReported levelSystem-wide | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.36MaximumSystem-wide | None set | Detected — no federal limit |
People also ask about Omaha, NE's water
+Is Omaha, NE tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Omaha, NE water utility lists 2 contaminants at or above the federal limit: Trichloroacetic acid and Dibromoacetic acid. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Omaha, NE tap water?
32 contaminants were measured in Omaha, NE's 2024 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 7 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Omaha, NE tap water?
2 contaminants in Omaha, NE's 2024 report sit at or above the federal limit: Trichloroacetic acid (49.5× the limit); Dibromoacetic acid (25.5× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Omaha, NE tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is Trichloroacetic acid, at 49.5× the federal threshold. It belongs to the inorganic chemicals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Omaha, NE's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Omaha, NE's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.