What was found in Morgan Hill'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 | 128820 µg/L 1288% of the EPA limit, in the worst sample — 10000 µg/L | 7/11 | SYR4 |
| Nitrate-Nitrite | 6900 µg/L 69% of the EPA limit 10000 µg/L | 5/11 | SYR4 |
| Lead | 1000 µg/L 6667% of the EPA limit, in the worst sample — 15 µg/L | 1/11 | SYR4 |
| Barium | 600 µg/L 30% of the EPA limit 2000 µg/L | 6/11 | SYR4 |
| Fluoride | 490 µg/L 12% of the EPA limit 4000 µg/L | 8/11 | SYR4 |
| Nitrite | 400 µg/L 40% of the EPA limit 1000 µg/L | 2/11 | SYR4 |
| Asbestos | 370 MFL 5286% of the EPA limit, in the worst sample — 7 MFL | 2/11 | SYR4 |
| Chloroform | 39.24 µg/L No EPA limit set | 4/11 | SYR4 |
| TTHM | 39.24 µg/L 49% of the EPA limit 80 µg/L | 7/11 | SYR4 |
| Lithium | 25.5 µg/L No EPA limit set | 1/11 | UCMR-5 |
| Chromium | 18 µg/L 18% of the EPA limit 100 µg/L | 5/11 | SYR4 |
| Bromoform | 15.53 µg/L No EPA limit set | 5/11 | SYR4 |
| Copper | 12 µg/L 0.9% of the EPA limit 1300 µg/L | 3/11 | SYR4 |
| Antimony, Total | 9.9 µg/L 165% of the EPA limit, in the worst sample — 6 µg/L | 1/11 | SYR4 |
| Toluene | 9.5 µg/L 1% of the EPA limit 1000 µg/L | 1/11 | SYR4 |
| Total Haloacetic Acids (HAA5) | 8.8 µg/L 15% of the EPA limit 60 µg/L | 3/11 | SYR4 |
| Dichloroacetic Acid | 4.7 µg/L No EPA limit set | 2/11 | SYR4 |
| Bromodichloromethane | 3.6 µg/L No EPA limit set | 6/11 | SYR4 |
| Dibromoacetic Acid | 3.3 µg/L No EPA limit set | 3/11 | SYR4 |
| Dibromochloromethane | 3.13 µg/L No EPA limit set | 7/11 | SYR4 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 2/11 | SYR4 |
| Selenium | 2 µg/L 4% of the EPA limit 50 µg/L | 1/11 | SYR4 |
| Trichloroacetic Acid | 1.8 µg/L No EPA limit set | 2/11 | SYR4 |
| Gross Beta Particle Activity | 1.4 pCi/L No EPA limit set | 2/11 | SYR4 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 2/11 | SYR4 |
| Combined Uranium | 0.7450 µg/L 2.5% of the EPA limit 30 µg/L | 2/11 | SYR4 |
| Lead | 0.0060 mg/L 40% of the EPA limit 0.0150 mg/L | 9/11 | LCR |
| Pfpea | 0.0035 µg/L No EPA limit set | 1/11 | UCMR-5 |
| Pfhxa | 0.0034 µg/L No EPA limit set | 1/11 | UCMR-5 |
| PFHXS | 0.0033 µg/L No EPA limit set | 1/11 | UCMR-5 |
Water suppliers serving Morgan Hill
| Supplier | Population served |
|---|---|
| CITY OF MORGAN HILL | 47,374 |
| THOUSAND TRAILS - MORGAN HILL | 413 |
| GREEN MOUNTAIN WATER COMPANY | 80 |
| UVAS PINES RV PARK | 65 |
| GREEN ACRES MUTUAL WATER | 53 |
| SULLIVAN MUTUAL WATER | 53 |
| STONEBRIDGE MUTUAL WATER CO | 38 |
| DEER HILL MUTUAL WATER CO | 36 |
| FOOTHILL MUTUAL WATER COMPANY | 36 |
| RANCHO DE LOMAS MUTUAL WATER COMPANY | 35 |
| ROCKWOOD ESTATES MUTUAL WATER COMPANY | 30 |
Frequently asked questions about Morgan Hill tap water
Is Morgan Hill tap water safe to drink?
EPA testing detected 30 contaminants in the water serving Morgan Hill. 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 Morgan Hill?
11 public water suppliers report drinking-water monitoring for Morgan Hill, California to the EPA. Each is listed above with its population served.
What contaminants are in Morgan Hill's water?
The contaminants EPA monitoring detected in Morgan Hill include Nitrate, Nitrate-Nitrite, Lead, Barium, Fluoride. 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.