What was found in Coupland's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 4440 µg/L 44% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Nitrate-Nitrite | 3130 µg/L 31% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Fluoride | 1880 µg/L 47% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Copper | 600 µg/L 46% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| Nitrite | 200 µg/L 20% of the EPA limit 1000 µg/L | 1/1 | SYR4 |
| Xylenes, Total | 161 µg/L 1.6% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Barium | 148 µg/L 7.4% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| Cyanide | 130 µg/L 65% of the EPA limit 200 µg/L | 1/1 | SYR4 |
| TTHM | 109 µg/L 136% of the EPA limit, in the worst sample — 80 µg/L | 1/1 | SYR4 |
| Lithium | 83.8 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Dibromochloromethane | 36.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 35 µg/L 58% of the EPA limit 60 µg/L | 1/1 | SYR4 |
| Bromodichloromethane | 33.2 µg/L No EPA limit set | 1/1 | SYR4 |
| Ethylbenzene | 30 µg/L 4.3% of the EPA limit 700 µg/L | 1/1 | SYR4 |
| Chloroform | 28.3 µg/L No EPA limit set | 1/1 | SYR4 |
| Dichloroacetic Acid | 22.5 µg/L No EPA limit set | 1/1 | SYR4 |
| Lead | 20 µg/L 133% of the EPA limit, in the worst sample — 15 µg/L | 1/1 | SYR4 |
| Bromoform | 14.6 µg/L No EPA limit set | 1/1 | SYR4 |
| Trichloroacetic Acid | 13 µg/L No EPA limit set | 1/1 | SYR4 |
| Dibromoacetic Acid | 10.5 µg/L No EPA limit set | 1/1 | SYR4 |
| Selenium | 7.1 µg/L 14% of the EPA limit 50 µg/L | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 6.7 pCi/L 45% of the EPA limit 15 pCi/L | 1/1 | SYR4 |
| Gross Beta Particle Activity | 4.4 pCi/L No EPA limit set | 1/1 | SYR4 |
| Chromium | 4.16 µg/L 4.2% of the EPA limit 100 µg/L | 1/1 | SYR4 |
| Monochloroacetic Acid | 3.9 µg/L No EPA limit set | 1/1 | SYR4 |
| Arsenic | 2.7 µg/L 27% of the EPA limit 10 µg/L | 1/1 | SYR4 |
| Combined Uranium | 2.3 µg/L 7.7% of the EPA limit 30 µg/L | 1/1 | SYR4 |
| Combined Radium (-226 And -228) | 2.26 pCi/L 45% of the EPA limit 5 pCi/L | 1/1 | SYR4 |
| Monobromoacetic Acid | 2 µg/L No EPA limit set | 1/1 | SYR4 |
| Atrazine | 0.6600 µg/L 22% of the EPA limit 3 µg/L | 1/1 | SYR4 |
| Simazine | 0.1500 µg/L 3.8% of the EPA limit 4 µg/L | 1/1 | SYR4 |
| PFNA | 0.0243 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFOS | 0.0124 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFBS | 0.0100 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfpea | 0.0091 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfhxa | 0.0087 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfba | 0.0074 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFHXS | 0.0070 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFOA | 0.0059 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfhpa | 0.0043 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfuna | 0.0027 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Lead | 0.0014 mg/L 9.4% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving Coupland
| Supplier | Population served |
|---|---|
| MANVILLE WSC | 39,648 |
Frequently asked questions about Coupland tap water
Is Coupland tap water safe to drink?
EPA testing detected 42 contaminants in the water serving Coupland. 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 Coupland?
1 public water supplier report drinking-water monitoring for Coupland, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Coupland's water?
The contaminants EPA monitoring detected in Coupland include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Nitrite. The full list, with the highest level found 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.