What was found in ZIP 98168
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 |
|---|---|---|---|
| TTHM | 48.15 µg/L 60% of the EPA limit 80 µg/L Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019 | 3/3 | SYR4 |
| Chloroform | 46.26 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019 | 3/3 | SYR4 |
| Total Haloacetic Acids (HAA5) | 38.58 µg/L 64% of the EPA limit 60 µg/L Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019
Highest in the ZIP: 42.865 µg/L — TUKWILA WATER DEPARTMENT · 36,298 people · 2019 | 3/3 | SYR4 |
| Trichloroacetic Acid | 26.38 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019 | 3/3 | SYR4 |
| Dichloroacetic Acid | 16.7 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019
Highest in the ZIP: 19.61 µg/L — KING COUNTY WATER DISTRICT #125 · 21,904 people · 2019 | 3/3 | SYR4 |
| Dibromochloromethane | 2.718 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019
Highest in the ZIP: 4.8 µg/L — TUKWILA WATER DEPARTMENT · 36,298 people · 2019 | 3/3 | SYR4 |
| Monochloroacetic Acid | 3.8715 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019
Highest in the ZIP: 4.511 µg/L — TUKWILA WATER DEPARTMENT · 36,298 people · 2019 | 3/3 | SYR4 |
| Bromodichloromethane | 2.924 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019 | 3/3 | SYR4 |
| Monobromoacetic Acid | 1.69 µg/L No EPA limit set Highest in the ZIP: TUKWILA WATER DEPARTMENT · 36,298 people · 2019 | 1/3 | SYR4 |
| Dibromoacetic Acid | 0.5662 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019
Highest in the ZIP: 1.31 µg/L — TUKWILA WATER DEPARTMENT · 36,298 people · 2019 | 2/3 | SYR4 |
| Bromoform | 0.6500 µg/L No EPA limit set Main supplier: KING COUNTY WATER DISTRICT #20 · 48,469 people · 2019
Highest in the ZIP: 1.018 µg/L — TUKWILA WATER DEPARTMENT · 36,298 people · 2019 | 2/3 | SYR4 |
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 98168
| Supplier | State | Population served |
|---|---|---|
| KING COUNTY WATER DISTRICT #20 | WA | 48,469 |
| TUKWILA WATER DEPARTMENT | WA | 36,298 |
| KING COUNTY WATER DISTRICT #125 | WA | 21,904 |
Frequently asked questions about ZIP 98168 tap water
Is the tap water in ZIP 98168 safe to drink?
EPA testing detected 11 contaminants across the water suppliers serving ZIP 98168. 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 98168?
3 public water suppliers report EPA drinking-water monitoring for ZIP 98168. Each is listed above with its population served.
What contaminants are in ZIP 98168's water?
EPA monitoring detected TTHM, Chloroform, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, Dichloroacetic Acid, and others across this ZIP's suppliers. The full list with levels and sources is above.