What was found in Addison'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 | 505.5 µg/L 39% of the EPA limit 1300 µg/L Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| TTHM | 28.56 µg/L 36% of the EPA limit 80 µg/L Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 23.82 µg/L 40% of the EPA limit 60 µg/L Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 17.5 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Chloroform | 16.77 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Bromoform | 16.134 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Lead | 9.96 µg/L 66% of the EPA limit 15 µg/L Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 8.804 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 5.4805 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 5.47 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 4.015 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 2.2 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 1.4 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2019 | 1/1 | SYR4 |
| Pfba | 0.0087 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2025 | 1/1 | UCMR-5 |
| Pfpea | 0.0067 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2025 | 1/1 | UCMR-5 |
| Pfhxa | 0.0063 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2025 | 1/1 | UCMR-5 |
| PFBS | 0.0048 µg/L No EPA limit set Main supplier: TOWN OF ADDISON · 17,257 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0014 mg/L 9% of the EPA limit 0.0150 mg/L Main supplier: TOWN OF ADDISON · 17,257 people · 2025 | 1/1 | LCR |
Water suppliers serving Addison
| Supplier | Population served |
|---|---|
| TOWN OF ADDISON | 17,257 |
Frequently asked questions about Addison tap water
Is Addison tap water safe to drink?
EPA testing detected 18 contaminants in the water serving Addison. 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 Addison?
1 public water supplier report drinking-water monitoring for Addison, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Addison's water?
The contaminants EPA monitoring detected in Addison include Copper, TTHM, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, 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.