Public water system record
NE Sammamish Sewer & Water District
Serves Sammamish, King County, WA · 8,516 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for NE Sammamish Sewer & Water District in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- NE Sammamish Sewer & Water District draws water from 6 wells.
- Record on file since 1979, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 3,299 service lines.
Check whether NE Sammamish Sewer & Water District serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
Full record since 1979
EPA's records for NE Sammamish Sewer & Water District go back to 1979. Before October 19, 2016 they list no health-based violations and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 0 | 1 |
| 2000s | 0 | 5 |
| 2020s | 0 | 1 |
Where the water comes from
NE Sammamish Sewer & Water District draws water from 6 wells. It also buys water from Sammamish Plateau Water & Sewer. It also has an emergency connection to City of Redmond Water System. 1 other community water system buys water from NE Sammamish Sewer & Water District. 2 other public water systems have emergency connections to NE Sammamish Sewer & Water District.
Buys water from
- Sammamish Plateau Water & Sewer Sammamish, WA
Emergency or part-time connections to
- City of Redmond Water System Redmond, WA
Community systems that buy water from it
- Sammamish Plateau Water & Sewer Sammamish, WA
Annual water quality report
NE Sammamish Sewer & Water District must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Washington.
Certified drinking water labs by state EPA guidance for private wells