What was found in ZIP 60091
The level at this ZIP's main supplier, the highest level anywhere in it, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Fluoride | 1046 µg/L 26% of the EPA limit 4000 µg/L Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Nitrate | 760 µg/L 7.6% of the EPA limit 10000 µg/L Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 742 µg/L 7.4% of the EPA limit 10000 µg/L Main supplier: WILMETTE · 27,087 people · 2018 | 1/1 | SYR4 |
| Copper | 189.6 µg/L 15% of the EPA limit 1300 µg/L Main supplier: WILMETTE · 27,087 people · 2017 | 1/1 | SYR4 |
| TTHM | 30.88 µg/L 39% of the EPA limit 80 µg/L Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Barium | 23 µg/L 1.2% of the EPA limit 2000 µg/L Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 19.88 µg/L 33% of the EPA limit 60 µg/L Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Chloroform | 16.905 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 11.845 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 9.975 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Lead | 8.155 µg/L 54% of the EPA limit 15 µg/L Main supplier: WILMETTE · 27,087 people · 2017 | 1/1 | SYR4 |
| Trichloroacetic Acid | 7.51 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 6.228 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 6.085 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.7505 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Bromoform | 1.6002 µg/L No EPA limit set Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L Main supplier: WILMETTE · 27,087 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0099 mg/L 66% of the EPA limit 0.0150 mg/L Main supplier: WILMETTE · 27,087 people · 2025 | 1/1 | 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.
Water suppliers serving ZIP 60091
| Supplier | State | Population served |
|---|---|---|
| WILMETTE | IL | 27,087 |
Frequently asked questions about ZIP 60091 tap water
Is the tap water in ZIP 60091 safe to drink?
EPA testing detected 18 contaminants across the water suppliers serving ZIP 60091. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.
Which water suppliers serve ZIP 60091?
1 public water supplier report EPA drinking-water monitoring for ZIP 60091. Each is listed above with its population served.
What contaminants are in ZIP 60091's water?
EPA monitoring detected Fluoride, Nitrate, Nitrate-Nitrite, Copper, TTHM, and others across this ZIP's suppliers. The full list with levels and sources is above.