What was found in ZIP 66409
The highest level seen across the suppliers serving this ZIP, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 1800 µg/L 18% of the EPA limit 10000 µg/L | 2/3 | SYR4 |
| Fluoride | 1400 µg/L 35% of the EPA limit 4000 µg/L | 2/3 | SYR4 |
| Copper | 1300 µg/L 100% of the EPA limit 1300 µg/L | 3/3 | SYR4 |
| Barium | 180 µg/L 9% of the EPA limit 2000 µg/L | 2/3 | SYR4 |
| TTHM | 130 µg/L 163% of the EPA limit, in the worst sample — 80 µg/L | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 110 µg/L 183% of the EPA limit, in the worst sample — 60 µg/L | 3/3 | SYR4 |
| Chloroform | 99 µg/L No EPA limit set | 3/3 | SYR4 |
| Dichloroacetic Acid | 81 µg/L No EPA limit set | 2/3 | SYR4 |
| Trichloroacetic Acid | 63 µg/L No EPA limit set | 2/3 | SYR4 |
| Bromodichloromethane | 28 µg/L No EPA limit set | 3/3 | SYR4 |
| Lithium | 18.8 µg/L No EPA limit set | 2/3 | UCMR-5 |
| Lead | 17 µg/L 113% of the EPA limit, in the worst sample — 15 µg/L | 3/3 | SYR4 |
| Dibromochloromethane | 9.5 µg/L No EPA limit set | 3/3 | SYR4 |
| Selenium | 7.9 µg/L 16% of the EPA limit 50 µg/L | 2/3 | SYR4 |
| Chromium | 6.8 µg/L 6.8% of the EPA limit 100 µg/L | 2/3 | SYR4 |
| Monochloroacetic Acid | 6.7 µg/L No EPA limit set | 2/3 | SYR4 |
| Dibromoacetic Acid | 4.4 µg/L No EPA limit set | 2/3 | SYR4 |
| Atrazine | 3.1 µg/L 103% of the EPA limit, in the worst sample — 3 µg/L | 2/3 | SYR4 |
| Monobromoacetic Acid | 2.4 µg/L No EPA limit set | 2/3 | SYR4 |
| Arsenic | 1.7 µg/L 17% of the EPA limit 10 µg/L | 2/3 | SYR4 |
| Bromoform | 0.8200 µg/L No EPA limit set | 2/3 | SYR4 |
| Combined Radium (-226 And -228) | 0.5000 pCi/L 10% of the EPA limit 5 pCi/L | 1/3 | SYR4 |
| Pfba | 0.0051 µg/L No EPA limit set | 1/3 | UCMR-5 |
| PFHXS | 0.0033 µg/L No EPA limit set | 2/3 | UCMR-5 |
| PFBS | 0.0030 µg/L No EPA limit set | 1/3 | UCMR-5 |
| Lead | 0.0024 mg/L 16% of the EPA limit 0.0150 mg/L | 3/3 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the single worst sample on
record — over 100% is worth reading, but is not by itself a violation.
Formal violations are listed separately.
Water suppliers serving ZIP 66409
| Supplier | State | Population served |
|---|---|---|
| TOPEKA, CITY OF | KS | 125,963 |
| SHAWNEE CO RWD 8 | KS | 6,073 |
| DOUGLAS CO RWD 3 | KS | 4,663 |
Frequently asked questions about ZIP 66409 tap water
Is the tap water in ZIP 66409 safe to drink?
EPA testing detected 26 contaminants across the water suppliers serving ZIP 66409. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 66409?
3 public water suppliers report EPA drinking-water monitoring for ZIP 66409. Each is listed above with its population served.
What contaminants are in ZIP 66409's water?
EPA monitoring detected Nitrate, Fluoride, Copper, Barium, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.