What was found in Joiner'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 | 1251 µg/L 96% of the EPA limit 1300 µg/L Main supplier: JOINER RURAL WATER · 343 people · 2018 | 1/1 | SYR4 |
| Lead | 13 µg/L 87% of the EPA limit 15 µg/L Main supplier: JOINER RURAL WATER · 343 people · 2018 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 11.1 µg/L 19% of the EPA limit 60 µg/L Main supplier: JOINER RURAL WATER · 343 people · 2017 | 1/1 | SYR4 |
| TTHM | 8.21 µg/L 10% of the EPA limit 80 µg/L Main supplier: JOINER RURAL WATER · 343 people · 2017 | 1/1 | SYR4 |
| Chloroform | 5.7 µg/L No EPA limit set Main supplier: JOINER RURAL WATER · 343 people · 2018 | 1/1 | SYR4 |
| Dichloroacetic Acid | 5.4 µg/L No EPA limit set Main supplier: JOINER RURAL WATER · 343 people · 2017 | 1/1 | SYR4 |
| Trichloroacetic Acid | 2.9 µg/L No EPA limit set Main supplier: JOINER RURAL WATER · 343 people · 2017 | 1/1 | SYR4 |
| Bromodichloromethane | 2.46 µg/L No EPA limit set Main supplier: JOINER RURAL WATER · 343 people · 2018 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.2 µg/L No EPA limit set Main supplier: JOINER RURAL WATER · 343 people · 2017 | 1/1 | SYR4 |
| Dibromochloromethane | 0.2270 µg/L No EPA limit set Main supplier: JOINER RURAL WATER · 343 people · 2018 | 1/1 | SYR4 |
| Lead | 0.0180 mg/L 120% above the EPA limit of 0.0150 mg/L Main supplier: JOINER RURAL WATER · 343 people · 2025 | 1/1 | LCR |
Water suppliers serving Joiner
| Supplier | Population served |
|---|---|
| JOINER RURAL WATER | 343 |
Frequently asked questions about Joiner tap water
Is Joiner tap water safe to drink?
EPA testing detected 11 contaminants in the water serving Joiner. 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 Joiner?
1 public water supplier report drinking-water monitoring for Joiner, Arkansas to the EPA. Each is listed above with its population served.
What contaminants are in Joiner's water?
The contaminants EPA monitoring detected in Joiner include Copper, Lead, Total Haloacetic Acids (HAA5), TTHM, Chloroform. 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.