What was found in ZIP 97603
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 | 1362 µg/L 14% of the EPA limit 10000 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 378.9 µg/L 3.8% of the EPA limit 10000 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2019 | 1/1 | SYR4 |
| Copper | 93.385 µg/L 7.2% of the EPA limit 1300 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2017 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 11.7 µg/L 19% of the EPA limit 60 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2019 | 1/1 | SYR4 |
| Arsenic | 7.373 µg/L 74% of the EPA limit 10 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2019 | 1/1 | SYR4 |
| TTHM | 4.46 µg/L 5.6% of the EPA limit 80 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2019 | 1/1 | SYR4 |
| Barium | 1.22 µg/L 0.1% of the EPA limit 2000 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2019 | 1/1 | SYR4 |
| Lead | 1.1325 µg/L 7.6% of the EPA limit 15 µg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2017 | 1/1 | SYR4 |
| PFOS | 0.0095 µg/L No EPA limit set Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2024 | 1/1 | UCMR-5 |
| PFHXS | 0.0058 µg/L No EPA limit set Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2024 | 1/1 | UCMR-5 |
| PFBS | 0.0043 µg/L No EPA limit set Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2024 | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: KLAMATH FALLS WATER DEPT · 40,475 people · 2024 | 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 97603
| Supplier | State | Population served |
|---|---|---|
| KLAMATH FALLS WATER DEPT | OR | 40,475 |
Frequently asked questions about ZIP 97603 tap water
Is the tap water in ZIP 97603 safe to drink?
EPA testing detected 12 contaminants across the water suppliers serving ZIP 97603. 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 97603?
1 public water supplier report EPA drinking-water monitoring for ZIP 97603. Each is listed above with its population served.
What contaminants are in ZIP 97603's water?
EPA monitoring detected Nitrate, Nitrate-Nitrite, Copper, Total Haloacetic Acids (HAA5), Arsenic, and others across this ZIP's suppliers. The full list with levels and sources is above.