What was found in Pleasant Hill'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 |
|---|---|---|---|
| Copper | 16.13 µg/L 1.2% of the EPA limit 1300 µg/L Main supplier: PLEASANT HILL PWS · 8,262 people · 2017
Highest in the city: 356.35 µg/L — CASS COUNTY PWSD 5 · 2,875 people · 2019 | 3/3 | SYR4 |
| Lithium | 55 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2024 | 1/3 | UCMR-5 |
| Total Haloacetic Acids (HAA5) | 22.705 µg/L 38% of the EPA limit 60 µg/L Main supplier: PLEASANT HILL PWS · 8,262 people · 2019
Highest in the city: 23.55 µg/L — CASS COUNTY PWSD 6 · 2,575 people · 2019 | 2/3 | SYR4 |
| Dichloroacetic Acid | 20.98 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019
Highest in the city: 21.9 µg/L — CASS COUNTY PWSD 6 · 2,575 people · 2019 | 3/3 | SYR4 |
| TTHM | 14.8 µg/L 19% of the EPA limit 80 µg/L Main supplier: PLEASANT HILL PWS · 8,262 people · 2019 | 3/3 | SYR4 |
| Chloroform | 12.748 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019 | 3/3 | SYR4 |
| Lead | 4.7315 µg/L 32% of the EPA limit 15 µg/L Main supplier: PLEASANT HILL PWS · 8,262 people · 2017
Highest in the city: 9.64 µg/L — CASS COUNTY PWSD 6 · 2,575 people · 2018 | 3/3 | SYR4 |
| Bromodichloromethane | 3.976 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019 | 3/3 | SYR4 |
| Dibromochloromethane | 3.0695 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019 | 2/3 | SYR4 |
| Trichloroacetic Acid | 1.94 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019
Highest in the city: 2.5575 µg/L — CASS COUNTY PWSD 6 · 2,575 people · 2019 | 3/3 | SYR4 |
| Dibromoacetic Acid | 2.2 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019 | 2/3 | SYR4 |
| Bromoform | 1.72 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2019 | 1/3 | SYR4 |
| Pfba | 0.0064 µg/L No EPA limit set Main supplier: PLEASANT HILL PWS · 8,262 people · 2024 | 1/3 | UCMR-5 |
| Lead | 0.0015 mg/L 10% of the EPA limit 0.0150 mg/L Main supplier: PLEASANT HILL PWS · 8,262 people · 2025
Highest in the city: 0.0017 mg/L — CASS COUNTY PWSD 5 · 2,875 people · 2025 | 3/3 | LCR |
Water suppliers serving Pleasant Hill
| Supplier | Population served |
|---|---|
| PLEASANT HILL PWS | 8,262 |
| CASS COUNTY PWSD 5 | 2,875 |
| CASS COUNTY PWSD 6 | 2,575 |
Frequently asked questions about Pleasant Hill tap water
Is Pleasant Hill tap water safe to drink?
EPA testing detected 14 contaminants in the water serving Pleasant Hill. 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 Pleasant Hill?
3 public water suppliers report drinking-water monitoring for Pleasant Hill, Missouri to the EPA. Each is listed above with its population served.
What contaminants are in Pleasant Hill's water?
The contaminants EPA monitoring detected in Pleasant Hill include Copper, Lithium, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, TTHM. 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.