States › Washington › Kitsap County

Kitsap County, WA Water Quality

Water quality data for 19 public water systems serving Kitsap County, Washington — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 19 water systems · 28 cities
✅
Excellent — All Systems Performing Well

Water quality across the county is outstanding with minimal violations and very low lead levels.

A

Kitsap County Earns a A

Kitsap County: 28 communities across 19 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.00 ppb
  • 22 communities with a lead detection, 5 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2 ppb
Median Lead Level
County-wide, 90th percentile
19
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Silverdale
    2.00 ppb
    No federal limits exceeded on record
    A
  • Poulsbo
    1.00 ppb
    No federal limits exceeded on record
    A
  • Bainbridge Island
    3.00 ppb
    No federal limits exceeded on record
    A
  • Port Orchard
    Not detected
    No federal limits exceeded on record
    B
  • Parkwood
    1.00 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Bremerton
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    A
  • Tracyton
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    A
  • Navy Yard City
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    A
  • Kitsap Lake
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    A
  • Erlands Point
    6.00 ppb
    Lead at 6.00 ppb, above a third of the action level
    B
County Lead Level — Median 2 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2 ppb — 13.3% of the federal action level
Systems by Lead Level
Under 5 ppb
16
5 – 10 ppb
6
No Data
6

All Cities in Kitsap County

Bremerton 5.00 ppb A
Silverdale 2.00 ppb A
Poulsbo 1.00 ppb A
Bainbridge Island 3.00 ppb A
Port Orchard Not detected B
Parkwood 1.00 ppb A
Manchester Not detected A
Bangor Base 3.00 ppb A
East Port Orchard 1.00 ppb A
Tracyton 5.00 ppb A
Hansville 2.00 ppb A
Bethel 1.00 ppb A
Suquamish 1.00 ppb A
Navy Yard City 5.00 ppb A
Kingston 2.00 ppb A
Southworth Not detected A
Enetai 1.00 ppb A
Lofall 4.00 ppb A
Chico 2.00 ppb A
Rocky Point Not reported B
Indianola Not detected B
Kitsap Lake 5.00 ppb A
Erlands Point 6.00 ppb B
Gorst 5.00 ppb A
Seabeck Not detected A
Burley 1.10 ppb A
Keyport 3.00 ppb B
Port Gamble Tribal Community 2.00 ppb B
Showing 28 cities
No active violations Active violations

About Kitsap County Drinking Water

Kitsap County is served by 19 water systems covering 28 communities. No community here has an open violation on record.

Of the communities reporting lead results, 22 recorded a detection, with a median of 2.00 ppb — 13% of the federal action level. 5 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded no significant deficiencies.

Frequently Asked Questions

Is Kitsap County tap water safe to drink?▼
No community in Kitsap County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Kitsap County?▼
Among communities with a detection the median is 2.00 ppb, 13% of the 15 ppb action level. 5 reported none detected and 1 reported no result.
How many water systems serve Kitsap County?▼
19 community water systems serve 28 communities here.
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