What was found in Nacogdoches'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 |
|---|---|---|---|
| Copper | 2100 µg/L 162% of the EPA limit, in the worst sample — 1300 µg/L | 8/8 | SYR4 |
| Fluoride | 816 µg/L 20% of the EPA limit 4000 µg/L | 7/8 | SYR4 |
| Total Haloacetic Acids (HAA5) | 433 µg/L 722% of the EPA limit, in the worst sample — 60 µg/L | 8/8 | SYR4 |
| Monochloroacetic Acid | 410 µg/L No EPA limit set | 6/8 | SYR4 |
| Nitrate | 270 µg/L 2.7% of the EPA limit 10000 µg/L | 7/8 | SYR4 |
| Nitrate-Nitrite | 257 µg/L 2.6% of the EPA limit 10000 µg/L | 7/8 | SYR4 |
| TTHM | 256 µg/L 320% of the EPA limit, in the worst sample — 80 µg/L | 8/8 | SYR4 |
| Chloroform | 196 µg/L No EPA limit set | 8/8 | SYR4 |
| Cyanide | 135 µg/L 68% of the EPA limit 200 µg/L | 5/8 | SYR4 |
| Barium | 71 µg/L 3.6% of the EPA limit 2000 µg/L | 7/8 | SYR4 |
| Bromodichloromethane | 48.6 µg/L No EPA limit set | 8/8 | SYR4 |
| Xylenes, Total | 47.2 µg/L 0.5% of the EPA limit 10000 µg/L | 5/8 | SYR4 |
| Trichloroacetic Acid | 44.3 µg/L No EPA limit set | 8/8 | SYR4 |
| Dichloroacetic Acid | 31 µg/L No EPA limit set | 8/8 | SYR4 |
| Lead | 29.3 µg/L 195% of the EPA limit, in the worst sample — 15 µg/L | 8/8 | SYR4 |
| Dibromoacetic Acid | 19.1 µg/L No EPA limit set | 5/8 | SYR4 |
| Chromium | 16 µg/L 16% of the EPA limit 100 µg/L | 4/8 | SYR4 |
| Dibromochloromethane | 15.7 µg/L No EPA limit set | 8/8 | SYR4 |
| Lithium | 14 µg/L No EPA limit set | 1/8 | UCMR-5 |
| Ethylbenzene | 6.12 µg/L 0.9% of the EPA limit 700 µg/L | 3/8 | SYR4 |
| Monobromoacetic Acid | 4.7 µg/L No EPA limit set | 4/8 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 4.21 µg/L 70% of the EPA limit 6 µg/L | 2/8 | SYR4 |
| Gross Beta Particle Activity | 4.1 pCi/L No EPA limit set | 1/8 | SYR4 |
| Bromoform | 2.6 µg/L No EPA limit set | 4/8 | SYR4 |
| Selenium | 2.2 µg/L 4.4% of the EPA limit 50 µg/L | 3/8 | SYR4 |
| Combined Radium (-226 And -228) | 2.1 pCi/L 42% of the EPA limit 5 pCi/L | 7/8 | SYR4 |
| Arsenic | 1.2 µg/L 12% of the EPA limit 10 µg/L | 2/8 | SYR4 |
| Atrazine | 0.2000 µg/L 6.7% of the EPA limit 3 µg/L | 1/8 | SYR4 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L | 8/8 | LCR |
Water suppliers serving Nacogdoches
| Supplier | Population served |
|---|---|
| CITY OF NACOGDOCHES | 50,226 |
| APPLEBY WSC | 5,745 |
| MELROSE WSC | 3,143 |
| SWIFT WSC | 2,547 |
| LILLY GROVE SUD | 2,435 |
| CARO WSC | 2,412 |
| WODEN WSC | 2,237 |
| NACOGDOCHES COUNTY MUD 1 | 208 |
Frequently asked questions about Nacogdoches tap water
Is Nacogdoches tap water safe to drink?
EPA testing detected 29 contaminants in the water serving Nacogdoches. 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 Nacogdoches?
8 public water suppliers report drinking-water monitoring for Nacogdoches, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Nacogdoches's water?
The contaminants EPA monitoring detected in Nacogdoches include Copper, Fluoride, Total Haloacetic Acids (HAA5), Monochloroacetic Acid, Nitrate. 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.