What was found in Big Spring'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 | 575 µg/L 44% of the EPA limit 1300 µg/L Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| TTHM | 62.295 µg/L 78% of the EPA limit 80 µg/L Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Lithium | 55.4 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2024 | 1/1 | UCMR-5 |
| Bromoform | 35.52 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 33.36 µg/L 56% of the EPA limit 60 µg/L Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 17.83 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 16.64 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Lead | 13.85 µg/L 92% of the EPA limit 15 µg/L Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 13.83 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 13.595 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 8.91 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Chloroform | 7.0325 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 4.16 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 3.475 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2019 | 1/1 | SYR4 |
| Pfba | 0.0125 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2024 | 1/1 | UCMR-5 |
| PFHXS | 0.0111 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2024 | 1/1 | UCMR-5 |
| PFBS | 0.0058 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2024 | 1/1 | UCMR-5 |
| PFOS | 0.0044 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2024 | 1/1 | UCMR-5 |
| Pfhxa | 0.0041 µg/L No EPA limit set Main supplier: CITY OF BIG SPRING · 27,282 people · 2024 | 1/1 | UCMR-5 |
| Lead | 0.0031 mg/L 20% of the EPA limit 0.0150 mg/L Main supplier: CITY OF BIG SPRING · 27,282 people · 2025 | 1/1 | LCR |
Water suppliers serving Big Spring
| Supplier | Population served |
|---|---|
| CITY OF BIG SPRING | 27,282 |
Frequently asked questions about Big Spring tap water
Is Big Spring tap water safe to drink?
EPA testing detected 20 contaminants in the water serving Big Spring. 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 Big Spring?
1 public water supplier report drinking-water monitoring for Big Spring, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Big Spring's water?
The contaminants EPA monitoring detected in Big Spring include Copper, TTHM, Lithium, Bromoform, Total Haloacetic Acids (HAA5). 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.