What was found in Kansas City's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 3600 µg/L 36% of the EPA limit 10000 µg/L | 2/2 | SYR4 |
| Nitrate-Nitrite | 3600 µg/L 36% of the EPA limit 10000 µg/L | 2/2 | SYR4 |
| Fluoride | 890 µg/L 22% of the EPA limit 4000 µg/L | 2/2 | SYR4 |
| Chlorite | 670 µg/L 67% of the EPA limit 1000 µg/L | 2/2 | SYR4 |
| Barium | 140 µg/L 7% of the EPA limit 2000 µg/L | 2/2 | SYR4 |
| TTHM | 97 µg/L 121% of the EPA limit, in the worst sample — 80 µg/L | 2/2 | SYR4 |
| Lithium | 55.3 µg/L No EPA limit set | 2/2 | UCMR-5 |
| Total Haloacetic Acids (HAA5) | 43 µg/L 72% of the EPA limit 60 µg/L | 2/2 | SYR4 |
| Chloroform | 37.2 µg/L No EPA limit set | 2/2 | SYR4 |
| Cyanide | 30 µg/L 15% of the EPA limit 200 µg/L | 2/2 | SYR4 |
| Copper | 23.7 µg/L 1.8% of the EPA limit 1300 µg/L | 2/2 | SYR4 |
| Bromodichloromethane | 8 µg/L No EPA limit set | 2/2 | SYR4 |
| Gross Beta Particle Activity | 7.6 pCi/L No EPA limit set | 1/2 | SYR4 |
| Lead | 6.5 µg/L 43% of the EPA limit 15 µg/L | 1/2 | SYR4 |
| Combined Uranium | 5.7 µg/L 19% of the EPA limit 30 µg/L | 1/2 | SYR4 |
| Gross Alpha, Excl. Radon And U | 5.4 pCi/L 36% of the EPA limit 15 pCi/L | 1/2 | SYR4 |
| Selenium | 5 µg/L 10% of the EPA limit 50 µg/L | 2/2 | SYR4 |
| Dibromochloromethane | 4.7 µg/L No EPA limit set | 2/2 | SYR4 |
| Chromium | 3 µg/L 3% of the EPA limit 100 µg/L | 2/2 | SYR4 |
| Arsenic | 1.9 µg/L 19% of the EPA limit 10 µg/L | 1/2 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1 µg/L 17% of the EPA limit 6 µg/L | 1/2 | SYR4 |
| Bromoform | 0.5200 µg/L No EPA limit set | 1/2 | SYR4 |
| Atrazine | 0.5000 µg/L 17% of the EPA limit 3 µg/L | 2/2 | SYR4 |
| Lasso | 0.0570 µg/L 2.9% of the EPA limit 2 µg/L | 1/2 | SYR4 |
| Simazine | 0.0500 µg/L 1.3% of the EPA limit 4 µg/L | 1/2 | SYR4 |
| Lead | 0.0075 mg/L 50% of the EPA limit 0.0150 mg/L | 2/2 | LCR |
| Pfba | 0.0053 µg/L No EPA limit set | 1/2 | UCMR-5 |
Water suppliers serving Kansas City
| Supplier | Population served |
|---|---|
| WATER DISTRICT 1 OF JOHNSON CO | 490,000 |
| KANSAS CITY BOARD OF PUBLIC UTILITIES | 152,960 |
Frequently asked questions about Kansas City tap water
Is Kansas City tap water safe to drink?
EPA testing detected 27 contaminants in the water serving Kansas City. 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 Kansas City?
2 public water suppliers report drinking-water monitoring for Kansas City, Kansas to the EPA. Each is listed above with its population served.
What contaminants are in Kansas City's water?
The contaminants EPA monitoring detected in Kansas City include Nitrate, Nitrate-Nitrite, Fluoride, Chlorite, Barium. The full list, with the highest level found 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.