What was found in Rocky Ford'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 | 3200 µg/L 32% of the EPA limit 10000 µg/L | 7/8 | SYR4 |
| Fluoride | 1960 µg/L 49% of the EPA limit 4000 µg/L | 8/8 | SYR4 |
| Nitrate-Nitrite | 1500 µg/L 15% of the EPA limit 10000 µg/L | 5/8 | SYR4 |
| Lithium | 309 µg/L No EPA limit set | 3/8 | UCMR-5 |
| Bromate | 190 µg/L 1900% of the EPA limit, in the worst sample — 10 µg/L | 3/8 | SYR4 |
| TTHM | 133 µg/L 166% of the EPA limit, in the worst sample — 80 µg/L | 8/8 | SYR4 |
| Barium | 70 µg/L 3.5% of the EPA limit 2000 µg/L | 8/8 | SYR4 |
| Total Haloacetic Acids (HAA5) | 56 µg/L 93% of the EPA limit 60 µg/L | 8/8 | SYR4 |
| Dibromochloromethane | 48.8 µg/L No EPA limit set | 8/8 | SYR4 |
| Gross Alpha, Excl. Radon And U | 45 pCi/L 300% of the EPA limit, in the worst sample — 15 pCi/L | 8/8 | SYR4 |
| Bromodichloromethane | 43.1 µg/L No EPA limit set | 8/8 | SYR4 |
| Nitrite | 42 µg/L 4.2% of the EPA limit 1000 µg/L | 2/8 | SYR4 |
| Combined Radium (-226 And -228) | 31.2 pCi/L 624% of the EPA limit, in the worst sample — 5 pCi/L | 8/8 | SYR4 |
| Bromoform | 26.1 µg/L No EPA limit set | 8/8 | SYR4 |
| Chloroform | 23.4 µg/L No EPA limit set | 7/8 | SYR4 |
| Combined Uranium | 20 µg/L 67% of the EPA limit 30 µg/L | 4/8 | SYR4 |
| Selenium | 16 µg/L 32% of the EPA limit 50 µg/L | 7/8 | SYR4 |
| Dichloroacetic Acid | 14 µg/L No EPA limit set | 5/8 | SYR4 |
| Dibromoacetic Acid | 12.7 µg/L No EPA limit set | 7/8 | SYR4 |
| Monochloroacetic Acid | 11.1 µg/L No EPA limit set | 5/8 | SYR4 |
| Gross Beta Particle Activity | 9.7 pCi/L No EPA limit set | 1/8 | SYR4 |
| Trichloroacetic Acid | 6 µg/L No EPA limit set | 4/8 | SYR4 |
| Chromium | 4 µg/L 4% of the EPA limit 100 µg/L | 5/8 | SYR4 |
| Arsenic | 3 µg/L 30% of the EPA limit 10 µg/L | 4/8 | SYR4 |
| Monobromoacetic Acid | 2.4 µg/L No EPA limit set | 3/8 | SYR4 |
| Thallium, Total | 0.8400 µg/L 42% of the EPA limit 2 µg/L | 1/8 | SYR4 |
| Xylenes, Total | 0.8200 µg/L 0% of the EPA limit 10000 µg/L | 1/8 | SYR4 |
| Antimony, Total | 0.7600 µg/L 13% of the EPA limit 6 µg/L | 1/8 | SYR4 |
| Mercury | 0.2330 µg/L 12% of the EPA limit 2 µg/L | 1/8 | SYR4 |
| Cadmium | 0.2000 µg/L 4% of the EPA limit 5 µg/L | 1/8 | SYR4 |
| Lead | 0.0110 mg/L 73% of the EPA limit 0.0150 mg/L | 8/8 | LCR |
| PFBS | 0.0085 µg/L No EPA limit set | 1/8 | UCMR-5 |
| PFHXS | 0.0060 µg/L No EPA limit set | 1/8 | UCMR-5 |
| PFOS | 0.0041 µg/L No EPA limit set | 1/8 | UCMR-5 |
Water suppliers serving Rocky Ford
| Supplier | Population served |
|---|---|
| ROCKY FORD CITY OF | 4,443 |
| EUREKA WC | 498 |
| NEWDALE GRAND VALLEY WC | 458 |
| HILLTOP WC | 285 |
| WEST GRAND VALLEY WA | 100 |
| PATTERSON VALLEY WC | 96 |
| RIVERSIDE WC | 90 |
| NORTH HOLBROOK WC | 58 |
Frequently asked questions about Rocky Ford tap water
Is Rocky Ford tap water safe to drink?
EPA testing detected 34 contaminants in the water serving Rocky Ford. 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 Rocky Ford?
8 public water suppliers report drinking-water monitoring for Rocky Ford, Colorado to the EPA. Each is listed above with its population served.
What contaminants are in Rocky Ford's water?
The contaminants EPA monitoring detected in Rocky Ford include Nitrate, Fluoride, Nitrate-Nitrite, Lithium, Bromate. 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.