What was found in Dyess Afb'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 | 1005 µg/L 77% of the EPA limit 1300 µg/L Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2017 | 1/1 | SYR4 |
| TTHM | 81.12 µg/L 101% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Bromoform | 66.58 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 26.49 µg/L 44% of the EPA limit 60 µg/L Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 21.87 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Lithium | 18.8 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| Dibromochloromethane | 17.95 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Lead | 16.44 µg/L 110% of the EPA limit, at the 95th percentile of samples — 15 µg/L Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2017 | 1/1 | SYR4 |
| Bromodichloromethane | 7.776 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 6.775 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 5.1 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Chloroform | 3.111 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 2.685 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 1.19 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2019 | 1/1 | SYR4 |
| PFOS | 0.0210 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| Pfba | 0.0200 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| PFHXS | 0.0190 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| Pfhxa | 0.0150 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| Pfpea | 0.0134 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| Pfhpa | 0.0074 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| PFBS | 0.0071 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| PFOA | 0.0062 µg/L No EPA limit set Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2025 | 1/1 | UCMR-5 |
| Lead | 0.0024 mg/L 16% of the EPA limit 0.0150 mg/L Main supplier: DYESS AIR FORCE BASE · 7,183 people · 2026 | 1/1 | LCR |
Water suppliers serving Dyess Afb
| Supplier | Population served |
|---|---|
| DYESS AIR FORCE BASE | 7,183 |
Frequently asked questions about Dyess Afb tap water
Is Dyess Afb tap water safe to drink?
EPA testing detected 23 contaminants in the water serving Dyess Afb. 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 Dyess Afb?
1 public water supplier report drinking-water monitoring for Dyess Afb, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Dyess Afb's water?
The contaminants EPA monitoring detected in Dyess Afb include Copper, TTHM, Bromoform, Total Haloacetic Acids (HAA5), Dibromoacetic Acid. 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.