What was found in Reno'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 | 19000 µg/L 190% of the EPA limit, in the worst sample — 10000 µg/L | 13/16 | SYR4 |
| Nitrate-Nitrite | 16000 µg/L 160% of the EPA limit, in the worst sample — 10000 µg/L | 14/16 | SYR4 |
| Copper | 6400 µg/L 492% of the EPA limit, in the worst sample — 1300 µg/L | 16/16 | SYR4 |
| Fluoride | 1400 µg/L 35% of the EPA limit 4000 µg/L | 14/16 | SYR4 |
| Barium | 280 µg/L 14% of the EPA limit 2000 µg/L | 14/16 | SYR4 |
| Combined Uranium | 110 µg/L 367% of the EPA limit, in the worst sample — 30 µg/L | 15/16 | SYR4 |
| Lithium | 100 µg/L No EPA limit set | 1/16 | UCMR-5 |
| Nitrite | 80 µg/L 8% of the EPA limit 1000 µg/L | 1/16 | SYR4 |
| TTHM | 75 µg/L 94% of the EPA limit 80 µg/L | 9/16 | SYR4 |
| Chloroform | 70 µg/L No EPA limit set | 8/16 | SYR4 |
| Lead | 62 µg/L 413% of the EPA limit, in the worst sample — 15 µg/L | 8/16 | SYR4 |
| Total Haloacetic Acids (HAA5) | 59 µg/L 98% of the EPA limit 60 µg/L | 6/16 | SYR4 |
| Cyanide | 39 µg/L 20% of the EPA limit 200 µg/L | 1/16 | SYR4 |
| Trichloroacetic Acid | 37 µg/L No EPA limit set | 5/16 | SYR4 |
| Chromium | 27.7 µg/L 28% of the EPA limit 100 µg/L | 8/16 | SYR4 |
| Dichloroacetic Acid | 27 µg/L No EPA limit set | 6/16 | SYR4 |
| Monobromoacetic Acid | 19 µg/L No EPA limit set | 1/16 | SYR4 |
| Gross Beta Particle Activity | 18.2 pCi/L No EPA limit set | 11/16 | SYR4 |
| Arsenic | 17.3 µg/L 173% of the EPA limit, in the worst sample — 10 µg/L | 14/16 | SYR4 |
| Bromodichloromethane | 14 µg/L No EPA limit set | 8/16 | SYR4 |
| Dibromochloromethane | 12 µg/L No EPA limit set | 7/16 | SYR4 |
| Bromoform | 9.4 µg/L No EPA limit set | 5/16 | SYR4 |
| Thallium, Total | 7.9 µg/L 395% of the EPA limit, in the worst sample — 2 µg/L | 1/16 | SYR4 |
| Antimony, Total | 6.08 µg/L 101% of the EPA limit, in the worst sample — 6 µg/L | 3/16 | SYR4 |
| Gross Alpha, Excl. Radon And U | 5.4 pCi/L 36% of the EPA limit 15 pCi/L | 2/16 | SYR4 |
| Selenium | 5 µg/L 10% of the EPA limit 50 µg/L | 4/16 | SYR4 |
| Monochloroacetic Acid | 4.7 µg/L No EPA limit set | 1/16 | SYR4 |
| Tetrachloroethylene | 4.21 µg/L 84% of the EPA limit 5 µg/L | 2/16 | SYR4 |
| Dibromoacetic Acid | 4.1 µg/L No EPA limit set | 4/16 | SYR4 |
| Combined Radium (-226 And -228) | 4 pCi/L 80% of the EPA limit 5 pCi/L | 12/16 | SYR4 |
| Trichloroethylene | 1.71 µg/L 34% of the EPA limit 5 µg/L | 1/16 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.9400 µg/L 16% of the EPA limit 6 µg/L | 1/16 | SYR4 |
| Toluene | 0.8400 µg/L 0.1% of the EPA limit 1000 µg/L | 1/16 | SYR4 |
| 1,1-Dichloroethylene | 0.6300 µg/L 9% of the EPA limit 7 µg/L | 1/16 | SYR4 |
| Mercury | 0.5000 µg/L 25% of the EPA limit 2 µg/L | 4/16 | SYR4 |
| Dalapon | 0.4200 µg/L 0.2% of the EPA limit 200 µg/L | 1/16 | SYR4 |
| 2,4-D | 0.2300 µg/L 0.3% of the EPA limit 70 µg/L | 1/16 | SYR4 |
| Benzo(A)Pyrene | 0.1100 µg/L 55% of the EPA limit 0.2000 µg/L | 1/16 | SYR4 |
| Hexachlorocyclopentadiene | 0.0700 µg/L 0.1% of the EPA limit 50 µg/L | 1/16 | SYR4 |
| PFOS | 0.0200 µg/L No EPA limit set | 1/16 | UCMR-5 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.0190 µg/L 9.5% of the EPA limit 0.2000 µg/L | 1/16 | SYR4 |
| PFHXS | 0.0150 µg/L No EPA limit set | 1/16 | UCMR-5 |
| Pfpea | 0.0130 µg/L No EPA limit set | 2/16 | UCMR-5 |
| Pfhxa | 0.0120 µg/L No EPA limit set | 2/16 | UCMR-5 |
| Pfba | 0.0068 µg/L No EPA limit set | 1/16 | UCMR-5 |
| PFBS | 0.0057 µg/L No EPA limit set | 2/16 | UCMR-5 |
| PFOA | 0.0055 µg/L No EPA limit set | 1/16 | UCMR-5 |
| Lead | 0.0050 mg/L 33% of the EPA limit 0.0150 mg/L | 16/16 | LCR |
| Pfhpa | 0.0039 µg/L No EPA limit set | 1/16 | UCMR-5 |
Water suppliers serving Reno
| Supplier | Population served |
|---|---|
| TRUCKEE MEADOWS WATER AUTHORITY | 442,000 |
| GREAT BASIN WATER CO COLD SPRINGS | 9,910 |
| GREAT BASIN WATER CO SPANISH SPRINGS | 1,450 |
| STEAMBOAT SPRINGS WATERWORKS INC | 998 |
| VERDI MEADOWS UTILITY COMPANY INC | 510 |
| GRANDVIEW TERRACE WATER DISTRICT | 328 |
| LIGHTNING W | 163 |
| OLD WASHOE ESTATES | 135 |
| SILVER KNOLLS MUTUAL WATER COMPANY | 120 |
| STAMPMILL | 118 |
| SUNRISE ESTATES | 90 |
| KE TA MOBILE HOME PARK | 60 |
| SUTCLIFFE MOBILE PARK | 60 |
| ROSEMOUNT WATER CO | 54 |
| MOUNT ROSE BOWL PROPERTY OWNERS WATER CO | 40 |
| LARK MOBILE HOME PARK | 30 |
Frequently asked questions about Reno tap water
Is Reno tap water safe to drink?
EPA testing detected 49 contaminants in the water serving Reno. 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 Reno?
16 public water suppliers report drinking-water monitoring for Reno, Nevada to the EPA. Each is listed above with its population served.
What contaminants are in Reno's water?
The contaminants EPA monitoring detected in Reno include Nitrate, Nitrate-Nitrite, Copper, Fluoride, Barium. 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.