What was found in ZIP 97838
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 |
|---|---|---|---|
| Nitrate | 6600 µg/L 66% of the EPA limit 10000 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2019 | 1/1 | SYR4 |
| Copper | 296.15 µg/L 23% of the EPA limit 1300 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2017 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 49.525 µg/L 83% of the EPA limit 60 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2019 | 1/1 | SYR4 |
| TTHM | 46.97 µg/L 59% of the EPA limit 80 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2019 | 1/1 | SYR4 |
| Lithium | 32 µg/L No EPA limit set Main supplier: HERMISTON, CITY OF · 20,000 people · 2024 | 1/1 | UCMR-5 |
| Lead | 11.5 µg/L 77% of the EPA limit 15 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2017 | 1/1 | SYR4 |
| Arsenic | 9 µg/L 90% of the EPA limit 10 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2014 | 1/1 | SYR4 |
| Combined Uranium | 7.286 µg/L 24% of the EPA limit 30 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2018 | 1/1 | SYR4 |
| Gross Alpha, Excl. Radon And U | 7.2125 pCi/L 48% of the EPA limit 15 pCi/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2018 | 1/1 | SYR4 |
| Xylenes, Total | 0.6600 µg/L 0% of the EPA limit 10000 µg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2019 | 1/1 | SYR4 |
| PFHXS | 0.0120 µg/L No EPA limit set Main supplier: HERMISTON, CITY OF · 20,000 people · 2024 | 1/1 | UCMR-5 |
| PFOS | 0.0120 µg/L No EPA limit set Main supplier: HERMISTON, CITY OF · 20,000 people · 2024 | 1/1 | UCMR-5 |
| PFBS | 0.0100 µg/L No EPA limit set Main supplier: HERMISTON, CITY OF · 20,000 people · 2024 | 1/1 | UCMR-5 |
| Pfpea | 0.0042 µg/L No EPA limit set Main supplier: HERMISTON, CITY OF · 20,000 people · 2024 | 1/1 | UCMR-5 |
| Pfhxa | 0.0039 µg/L No EPA limit set Main supplier: HERMISTON, CITY OF · 20,000 people · 2024 | 1/1 | UCMR-5 |
| Lead | 0.0030 mg/L 20% of the EPA limit 0.0150 mg/L Main supplier: HERMISTON, CITY OF · 20,000 people · 2023 | 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 97838
| Supplier | State | Population served |
|---|---|---|
| HERMISTON, CITY OF | OR | 20,000 |
Frequently asked questions about ZIP 97838 tap water
Is the tap water in ZIP 97838 safe to drink?
EPA testing detected 16 contaminants across the water suppliers serving ZIP 97838. 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 97838?
1 public water supplier report EPA drinking-water monitoring for ZIP 97838. Each is listed above with its population served.
What contaminants are in ZIP 97838's water?
EPA monitoring detected Nitrate, Copper, Total Haloacetic Acids (HAA5), TTHM, Lithium, and others across this ZIP's suppliers. The full list with levels and sources is above.