What was found in Holt's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 198 µg/L 5% of the EPA limit 4000 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2017 | 1/1 | SYR4 |
| Nitrate-Nitrite | 180 µg/L 1.8% of the EPA limit 10000 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Barium | 100.205 µg/L 5% of the EPA limit 2000 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2017 | 1/1 | SYR4 |
| TTHM | 98.23999999999998 µg/L 123% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Copper | 93.78499999999998 µg/L 7.2% of the EPA limit 1300 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Chloroform | 73.71000000000001 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 45.55 µg/L 76% of the EPA limit 60 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 26.319999999999993 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Lithium | 23 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2024 | 1/1 | UCMR-5 |
| Bromodichloromethane | 18.979999999999993 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 15.465 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 14.1 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Lead | 10.043499999999998 µg/L 67% of the EPA limit 15 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 8.800999999999998 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 8.315999999999997 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.815 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Chromium | 2.36 µg/L 2.4% of the EPA limit 100 µg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2017 | 1/1 | SYR4 |
| Bromoform | 1.7189999999999999 µg/L No EPA limit set Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0016 mg/L 11% of the EPA limit 0.0150 mg/L Main supplier: CLAY COUNTY PWSD 3 · 3,447 people · 2025 | 1/1 | LCR |
Water suppliers serving Holt
| Supplier | Population served |
|---|---|
| CLAY COUNTY PWSD 3 | 3,447 |
Frequently asked questions about Holt tap water
Is Holt tap water safe to drink?
EPA testing detected 19 contaminants in the water serving Holt. 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 Holt?
1 public water supplier report drinking-water monitoring for Holt, Missouri to the EPA. Each is listed above with its population served.
What contaminants are in Holt's water?
The contaminants EPA monitoring detected in Holt include Fluoride, Nitrate-Nitrite, Barium, TTHM, Copper. The full list, with the level at the main supplier 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.