Drinking water quality · 2024
· Verified
· PWSID WA5338150
What's in Kent, WA tap water
2 contaminants in Kent, WA's water sat at or above a federal limit, led by Manganese at 10.2x the limit.
- !2 contaminants at or above a federal limit — worst is Manganese at 10.2x
- !14 of 27 core regulated contaminants reported — 13 never appear in this report
- ✓No open federal violations
+How this score is calculated
Every system starts at 100. Points come off for measured levels, for the federal violation record, and for how much of the core regulated set the utility actually reported. All three inputs are the utility's own published numbers and EPA's own records.
- −60 contaminants at or above a federal limit
- −0 contaminants within 20% of a limit
- −0 open health-based violations
- −0 open monitoring / reporting violations
- −0 health-based violations resolved in the last 5 years
- −8 core regulated contaminants never reported (14/27)
A 90–100 · B 80–89 · C 70–79 · D 60–69 · F below 60. A system reporting under a third of the core set is capped at C however clean its numbers look — a short report is not a clean bill of health.
Full grading methodology, constant for constant →What to worry about
- Manganese10.2× the federal limit0.51 mg/L · limit 0.05 mg/L
No enforceable federal limit; high levels stain fixtures and laundry and can affect taste, with a health advisory for infants.
- Turbidity2.0× the federal limit1.99 NTU · limit 1 NTU
High turbidity can shelter microbes from disinfection; the EPA enforces it through a treatment-technique standard.
higher than 90% of U.S. systems
+24 contaminants were measured and came in below the limitShow all
| Contaminant | Measured | Federal limit |
|---|---|---|
| PFOS | 2.28 ng/L | 4 ng/L |
| Chlorine | 2.18 mg/L | 4 mg/L |
| TTHM | 32.2 ug/L | 80 ug/L |
| Fluoride | 0.89 mg/L | 4 mg/L |
| Arsenic | 0.0018 mg/L | 0.01 mg/L |
| Copper | 0.169 mg/L | 1.3 mg/L |
| Nitrate | 1.16 mg/L | 10 mg/L |
| HAA5 | 6.4 ug/L | 60 ug/L |
| Iron | 0.028 mg/L | 0.3 mg/L |
| Chromium | 0–0.0063 mg/L | 0.1 mg/L |
| Total Dissolved Solids | 25.2 mg/L | 500 mg/L |
| Barium | 0.0039 mg/L | 2 mg/L |
| Zinc | 0.0018 mg/L | 5 mg/L |
| Calcium | 26 mg/L | — |
| Lead | 0.0 mg/L | 0.015 mg/L |
| Magnesium | 15 mg/L | — |
| Nickel | 0.0003 mg/L | — |
| Sodium | 21 mg/L | — |
| Total Coliform | 0 | 0 |
| Hardness | 136 mg/L | — |
| TOC | 0.84 mg/L | — |
| Combined Radium | Not detected pCi/L | 5 pCi/L |
| Gross Alpha | Not detected pCi/L | 15 pCi/L |
| PFBS | 3.4 ng/L | — |
What this report doesn't tell you
13 of the 27 contaminants a community water system normally reports do not appear anywhere in Kent, WA's data. Absent is not the same as absent-from-the-water — it means nobody published a number.
+Full detail: PFAS testing, water source, historical monitoring, and the federal violation record
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Kent, WA
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFBS
● Detected (no federal limit)Where your water comes from · EPA SDWIS
Kent, WA's drinking water comes from ground water, drawn from 15 sources.
Source
- KENT SPRINGS 1,2,3
- CLARK SPRINGS 1,2,3
- EAST HILL
- SEVEN OAKS WELL
- + 11 more
Treatment
- Purchased Surface Water Guiberson
- Pump station 5
- Kent Springs (CT6)
- + 7 more
Distribution
Also buys water from HIGHLINE WATER DISTRICT, Auburn City of, and 5 more.
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.