What was found in Riesel'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 |
|---|---|---|---|
| Fluoride | 2520 µg/L 63% of the EPA limit 4000 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 2/2 | SYR4 |
| Copper | 86.16 µg/L 6.6% of the EPA limit 1300 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 161 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Nitrate | 140 µg/L 1.4% of the EPA limit 10000 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 2/2 | SYR4 |
| Lithium | 123 µg/L No EPA limit set Highest in the city: M S WSC · 744 people · 2023 | 1/2 | UCMR-5 |
| Nitrate-Nitrite | 109.5 µg/L 1.1% of the EPA limit 10000 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2014
Highest in the city: 122.5 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Barium | 82.245 µg/L 4.1% of the EPA limit 2000 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 112.2 µg/L — M S WSC · 744 people · 2018 | 2/2 | SYR4 |
| TTHM | 24.57 µg/L 31% of the EPA limit 80 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 27.865 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Arsenic | 16.68 µg/L 167% of the EPA limit, at the 95th percentile of samples — 10 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 2/2 | SYR4 |
| Bromoform | 14.35 µg/L No EPA limit set Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 14.54 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Dibromochloromethane | 7.504 µg/L No EPA limit set Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 10.1 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Chromium | 7.92 µg/L 7.9% of the EPA limit 100 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 1/2 | SYR4 |
| Gross Beta Particle Activity | 5.33 pCi/L No EPA limit set Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 1/2 | SYR4 |
| Total Haloacetic Acids (HAA5) | 2.4 µg/L 4% of the EPA limit 60 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 4.84 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Selenium | 4.05 µg/L 8.1% of the EPA limit 50 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 4.2 µg/L — M S WSC · 744 people · 2018 | 2/2 | SYR4 |
| Bromodichloromethane | 2.047 µg/L No EPA limit set Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 3.3385 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Monochloroacetic Acid | 2.6 µg/L No EPA limit set Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 2.665 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Dibromoacetic Acid | 1.8 µg/L No EPA limit set Main supplier: CITY OF RIESEL · 1,476 people · 2019
Highest in the city: 2.525 µg/L — M S WSC · 744 people · 2019 | 2/2 | SYR4 |
| Lead | 2.13 µg/L 14% of the EPA limit 15 µg/L Highest in the city: M S WSC · 744 people · 2019 | 1/2 | SYR4 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L Highest in the city: M S WSC · 744 people · 2015 | 1/2 | SYR4 |
| Xylenes, Total | 1.4 µg/L 0% of the EPA limit 10000 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 1/2 | SYR4 |
| Chloroform | 1.1 µg/L No EPA limit set Highest in the city: M S WSC · 744 people · 2019 | 1/2 | SYR4 |
| Monobromoacetic Acid | 1.1 µg/L No EPA limit set Highest in the city: M S WSC · 744 people · 2019 | 1/2 | SYR4 |
| Antimony, Total | 0.2760 µg/L 4.6% of the EPA limit 6 µg/L Main supplier: CITY OF RIESEL · 1,476 people · 2019 | 1/2 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: CITY OF RIESEL · 1,476 people · 2023 | 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 Riesel
| Supplier | Population served |
|---|---|
| CITY OF RIESEL | 1,476 |
| M S WSC | 744 |
Frequently asked questions about Riesel tap water
Is Riesel tap water safe to drink?
EPA testing detected 24 contaminants in the water serving Riesel. 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 Riesel?
2 public water suppliers report drinking-water monitoring for Riesel, Texas to the EPA. Each is listed above with its population served.
What contaminants are in Riesel's water?
The contaminants EPA monitoring detected in Riesel include Fluoride, Copper, Nitrate, Lithium, Nitrate-Nitrite. 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.