Drinking water quality · 2024
· Verified
What's in Omaha, NE tap water
30 contaminants were measured in the Omaha, NE water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 30
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Lithium
- Service area
- NE
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Omaha, NE
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
Lithium
● Detected (no federal limit)above national p90 (76.59999999999991 mg/L across detecting U.S. systems)
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
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Omaha, NE
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
TTHM worst: 2019 | 0.121 mg/L 1.5× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2019 | 0.0495 mg/L 83% | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2017 | 5.41 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
DEHP worst: 2017 | 0.00311 mg/L within | 0.006 mg/L | '17 |
ARSENIC worst: 2015 | 0.00507 mg/L within below national p90 | 0.01 mg/L | '12'13'15'16'18'19 |
DINOSEB worst: 2018 | 0.00322 mg/L within | 0.007 mg/L | '18 |
RADIUM 226 228 worst: 2012 | 2.1 pCi/L within below national p90 | 5 pCi/L | '12'17 |
ATRAZINE worst: 2013 | 0.00103 mg/L within above national p90 | 0.003 mg/L | '12'13'15'19 |
FLUORIDE worst: 2016 | 0.969 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
DICHLOROMETHANE worst: 2018 | 0.00084 mg/L within | 0.005 mg/L | '18 |
CHROMIUM worst: 2014 | 0.0165 mg/L within above national p90 | 0.1 mg/L | '13'14'16'19 |
ANTIMONY worst: 2016 | 0.000983 mg/L within below national p90 | 0.006 mg/L | '16 |
SELENIUM worst: 2014 | 0.00733 mg/L within | 0.05 mg/L | '14'16'19 |
BARIUM worst: 2014 | 0.181 mg/L within near national p90 | 2 mg/L | '13'14'16'19 |
CHLOROBENZENE worst: 2018 | 0.00102 mg/L within below national p90 | 0.1 mg/L | '16'18 |
SILVEX worst: 2018 | 0.00108 mg/L above national p90 | — | '18 |
COPPER worst: 2013 | 0.0821 mg/L below national p90 | — | '13'16'19 |
LEAD worst: 2013 | 0.00969 mg/L | — | '13'16'19 |
DBAA worst: 2012 | 0.0033 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.0258 mg/L | — | '12'13'14'15'16'17'18'19 |
MBAA worst: 2012 | 0.00219 mg/L | — | '12'13'14 |
MCAA worst: 2012 | 0.00242 mg/L | — | '12'13'14'15'16'17'18'19 |
TCAA worst: 2012 | 0.00508 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.0213 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.00207 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.0661 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.0129 mg/L | — | '12'13'14'15'16'17'18'19 |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.255–2.9 mg/LRangeof Levels | 10 mg/LMCLG | Within the limit |
| BromideA naturally occurring salt found in source water. | 65.6MaximumSystem-wide | None set | Detected — no federal limit |
+By source (3)— of Levels Detected 3, of Levels Detected 4, of Levels Detected 2
| |||
| Bromochloroacetic acidA mixed-halogen haloacetic acid disinfection byproduct. | 4.6AverageSystem-wide | None set | Detected — no federal limit |
+By source (3)— Nivel Promedio Detectado, of Levels Detected 2, of Levels Detected 3
| |||
| Dibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 1.53AverageSystem-wide | None set | Detected — no federal limit |
| Dichloroacetic acidA haloacetic acid disinfection byproduct. | 13.8AverageSystem-wide | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 126AverageSystem-wide | None set | Detected — no federal limit |
| Trichloroacetic acidA haloacetic acid disinfection byproduct. | 2.97AverageSystem-wide | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| SodiumA naturally occurring salt component. | 26–83 mg/LRangeRango de niveles | 500 mg/LMCL | Within the limit |
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 1.74 ug/LReported levelSystem-wide | 100 ug/LMCLG | Within the limit |
| GermaniumA trace metalloid found in some source water. | 2.68Reported level<0.40 Ppb | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0.36MaximumPercentage of Positive Total Coliform Samples in any Month | 5MCL | Within the limit |
+By source (2)— Percentage of Positive Total Coliform Samples in any Month, Total Coliform
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Bromodichloroacetic acidA brominated haloacetic acid disinfection byproduct. | 8.93–15Reported level<0.50 Ppb | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.89AverageSystem-wide | None set | Detected — no federal limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.4 NTURangeSystem-wide | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.54AverageNivel Promedio Detectado | None set | Detected — no federal limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 6.38 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | 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 1 contaminant at or above the federal limit: Lithium. 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?
30 contaminants were measured in Omaha, NE's 2024 Consumer Confidence Report, spanning metals, inorganic chemicals, and disinfection byproducts. 15 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?
One contaminant in Omaha, NE's 2024 report sits at or above the federal limit: Lithium (11.3× 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 Lithium, at 11.3× the federal threshold. It belongs to the metals 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.