What was found in Nederland'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 | 420 µg/L 32% of the EPA limit 1300 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019 | 2/2 | SYR4 |
| Nitrite | 250 µg/L 25% of the EPA limit 1000 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2013 | 1/2 | SYR4 |
| Nitrate | 230 µg/L 2.3% of the EPA limit 10000 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019 | 2/2 | SYR4 |
| Cyanide | 180 µg/L 90% of the EPA limit 200 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019 | 2/2 | SYR4 |
| Fluoride | 120 µg/L 3% of the EPA limit 4000 µg/L Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 1/2 | SYR4 |
| TTHM | 19.375 µg/L 24% of the EPA limit 80 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 78.82 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 35.58 µg/L 59% of the EPA limit 60 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 71.295 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Chloroform | 16.935 µg/L No EPA limit set Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 61.51 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Barium | 55.19 µg/L 2.8% of the EPA limit 2000 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019 | 2/2 | SYR4 |
| Dichloroacetic Acid | 27.18 µg/L No EPA limit set Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 43.39 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Trichloroacetic Acid | 4.01 µg/L No EPA limit set Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 23.96 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Bromodichloromethane | 2.5 µg/L No EPA limit set Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 15.08 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Monochloroacetic Acid | 12.4 µg/L No EPA limit set Main supplier: CITY OF NEDERLAND · 18,157 people · 2019 | 2/2 | SYR4 |
| Lead | 11.792 µg/L 79% of the EPA limit 15 µg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2019 | 2/2 | SYR4 |
| Dibromochloromethane | 5 µg/L No EPA limit set Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 1/2 | SYR4 |
| Dibromoacetic Acid | 1.3 µg/L No EPA limit set Main supplier: CITY OF NEDERLAND · 18,157 people · 2019
Highest in the city: 1.67 µg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 2/2 | SYR4 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2016 | 1/2 | SYR4 |
| Dalapon | 1.39 µg/L 0.7% of the EPA limit 200 µg/L Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 1/2 | SYR4 |
| Carbon Tetrachloride | 0.6950 µg/L 14% of the EPA limit 5 µg/L Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 1/2 | SYR4 |
| Hexachlorocyclopentadiene | 0.1100 µg/L 0.2% of the EPA limit 50 µg/L Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2019 | 1/2 | SYR4 |
| Pfba | 0.0053 µg/L No EPA limit set Highest in the city: JEFFERSON COUNTY WCID 10 · 4,605 people · 2025 | 1/2 | UCMR-5 |
| Lead | 0.0018 mg/L 12% of the EPA limit 0.0150 mg/L Main supplier: CITY OF NEDERLAND · 18,157 people · 2025
Highest in the city: 0.0018 mg/L — JEFFERSON COUNTY WCID 10 · 4,605 people · 2026 | 2/2 | LCR |
Each bar shows the measured level as a share of the EPA limit: green is
well under, amber is close to it, red is over. For lead and copper the
limit applies to exactly the 90th-percentile figure shown, so red there
means a real exceedance. For everything else the limit applies to a
running annual average while the figure is the 95th percentile of the
system's samples — over 100% is worth reading, but is not by itself a
violation.
Formal violations are listed separately.
These are the utilities' own EPA-reported results, not a city-wide
average. A detection means the lab measured the
substance — it isn't the same as exceeding a legal limit. Hover a source
tag to see the EPA program and years behind each figure.
Water suppliers serving Nederland
| Supplier | Population served |
|---|---|
| CITY OF NEDERLAND | 18,157 |
| JEFFERSON COUNTY WCID 10 | 4,605 |
Frequently asked questions about Nederland tap water
Is Nederland tap water safe to drink?
EPA testing detected 22 contaminants in the water serving Nederland. 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 Nederland?
2 public water suppliers report drinking-water monitoring for Nederland, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Nederland's water?
The contaminants EPA monitoring detected in Nederland include Copper, Nitrite, Nitrate, Cyanide, Fluoride. 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.