What was found in Lakewood'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 | 11800 µg/L 118% of the EPA limit, in the worst sample — 10000 µg/L | 3/15 | SYR4 |
| Fluoride | 1500 µg/L 38% of the EPA limit 4000 µg/L | 5/15 | SYR4 |
| Chlorite | 740 µg/L 74% of the EPA limit 1000 µg/L | 1/15 | SYR4 |
| Nitrate-Nitrite | 530 µg/L 5.3% of the EPA limit 10000 µg/L | 2/15 | SYR4 |
| Barium | 269 µg/L 13% of the EPA limit 2000 µg/L | 5/15 | SYR4 |
| TTHM | 125.9 µg/L 157% of the EPA limit, in the worst sample — 80 µg/L | 6/15 | SYR4 |
| Total Haloacetic Acids (HAA5) | 78.3 µg/L 131% of the EPA limit, in the worst sample — 60 µg/L | 6/15 | SYR4 |
| Bromodichloromethane | 44.1 µg/L No EPA limit set | 6/15 | SYR4 |
| Dibromochloromethane | 43.7 µg/L No EPA limit set | 6/15 | SYR4 |
| Chloroform | 28.7 µg/L No EPA limit set | 4/15 | SYR4 |
| Bromoform | 21.2 µg/L No EPA limit set | 5/15 | SYR4 |
| Lithium | 18.7 µg/L No EPA limit set | 1/15 | UCMR-5 |
| Gross Alpha, Excl. Radon And U | 15.994 pCi/L 107% of the EPA limit, in the worst sample — 15 pCi/L | 4/15 | SYR4 |
| Dichloroacetic Acid | 13.8 µg/L No EPA limit set | 3/15 | SYR4 |
| Monobromoacetic Acid | 13.5 µg/L No EPA limit set | 2/15 | SYR4 |
| Dibromoacetic Acid | 12.4 µg/L No EPA limit set | 3/15 | SYR4 |
| Trichloroacetic Acid | 8 µg/L No EPA limit set | 3/15 | SYR4 |
| Combined Uranium | 6.4 µg/L 21% of the EPA limit 30 µg/L | 2/15 | SYR4 |
| Selenium | 4.7 µg/L 9.4% of the EPA limit 50 µg/L | 2/15 | SYR4 |
| Monochloroacetic Acid | 4.08 µg/L No EPA limit set | 2/15 | SYR4 |
| Chromium | 3 µg/L 3% of the EPA limit 100 µg/L | 1/15 | SYR4 |
| Combined Radium (-226 And -228) | 2.3 pCi/L 46% of the EPA limit 5 pCi/L | 3/15 | SYR4 |
| Gross Beta Particle Activity | 2.3 pCi/L No EPA limit set | 1/15 | SYR4 |
| Thallium, Total | 1.7 µg/L 85% of the EPA limit 2 µg/L | 1/15 | SYR4 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L | 1/15 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 0.8200 µg/L 14% of the EPA limit 6 µg/L | 1/15 | SYR4 |
| Antimony, Total | 0.7500 µg/L 13% of the EPA limit 6 µg/L | 1/15 | SYR4 |
| Pentachlorophenol | 0.4000 µg/L 40% of the EPA limit 1 µg/L | 2/15 | SYR4 |
| Cadmium | 0.2400 µg/L 4.8% of the EPA limit 5 µg/L | 1/15 | SYR4 |
| 2,4-D | 0.1890 µg/L 0.3% of the EPA limit 70 µg/L | 1/15 | SYR4 |
| Mercury | 0.0610 µg/L 3.1% of the EPA limit 2 µg/L | 1/15 | SYR4 |
| Lead | 0.0090 mg/L 60% of the EPA limit 0.0150 mg/L | 15/15 | LCR |
| PFBS | 0.0040 µg/L No EPA limit set | 1/15 | UCMR-5 |
| Pfhxa | 0.0038 µg/L No EPA limit set | 1/15 | UCMR-5 |
| Pfpea | 0.0035 µg/L No EPA limit set | 1/15 | UCMR-5 |
Water suppliers serving Lakewood
| Supplier | Population served |
|---|---|
| CONSOLIDATED MUTUAL MAPLE GROVE | 81,400 |
| GREEN MOUNTAIN WSD | 49,400 |
| BANCROFT CLOVER WSD | 44,000 |
| BEAR CREEK WSD | 30,000 |
| WILLOWBROOK WSD | 9,348 |
| LAKEWOOD CITY OF | 6,000 |
| MEADOWBROOK WD | 3,290 |
| ALAMEDA WSD | 2,480 |
| INDIAN HILLS WD | 1,300 |
| SHERIDAN MHP | 480 |
| MOUNTAINSIDE ESTATES MHP | 473 |
| BONVUE WATER AND SANITATION DISTRICT | 350 |
| INSPIRATION VALLEY MHP | 250 |
| ELEVADO ESTATES LLC | 250 |
| MAJESTIC MHP | 232 |
Frequently asked questions about Lakewood tap water
Is Lakewood tap water safe to drink?
EPA testing detected 35 contaminants in the water serving Lakewood. 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 Lakewood?
15 public water suppliers report drinking-water monitoring for Lakewood, Colorado to the EPA. Each is listed above with its population served.
What contaminants are in Lakewood's water?
The contaminants EPA monitoring detected in Lakewood include Nitrate, Fluoride, Chlorite, Nitrate-Nitrite, 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.