SAMMAMISH PLATEAU WATER & SEWER
Drinking water quality, contact, and Consumer Confidence Report
Serving 4 cities in WA · PWSID WA5340900
SAMMAMISH PLATEAU WATER & SEWER serves 65,856 people. See EPA records and contact info below.
- People served
- 65,856
Data sources: EPA SDWIS, SAMMAMISH PLATEAU WATER & SEWER's published Consumer Confidence Report, Washington Department of Environmental Protection.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official SAMMAMISH PLATEAU WATER & SEWER Resources
SAMMAMISH PLATEAU WATER & SEWER Service Area
Loading map...
This map shows the approximate service area for SAMMAMISH PLATEAU WATER & SEWER. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
SAMMAMISH PLATEAU WATER & SEWER Water Quality Grade
Water quality is good with minor concerns.
Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).
Is SAMMAMISH PLATEAU WATER & SEWER Water Safe to Drink?
SAMMAMISH PLATEAU WATER & SEWER has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 65,856 people across 4 cities in WA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
Get your water independently tested in Washington →How does Washington water quality rank nationally? →
SAMMAMISH PLATEAU WATER & SEWER Service Area
Get SAMMAMISH PLATEAU WATER & SEWER Alerts
Water quality news, test results, and filter recommendations for your area.
Free forever. Unsubscribe anytime. We never share your email.
SAMMAMISH PLATEAU WATER & SEWER Contact & Information
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for SAMMAMISH PLATEAU WATER & SEWER
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
hypochlorite
SAMMAMISH PLATEAU WATER & SEWER Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for SAMMAMISH PLATEAU WATER & SEWER has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
SAMMAMISH PLATEAU WATER & SEWER Annual Water Quality Reports
Historical reports are being compiled. Check back soon for archived water quality data.
What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.
Recommended Water Filters for SAMMAMISH PLATEAU WATER & SEWER
Based on water quality data from cities served by SAMMAMISH PLATEAU WATER & SEWER, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about SAMMAMISH PLATEAU WATER & SEWER
Is SAMMAMISH PLATEAU WATER & SEWER water safe to drink?
Does SAMMAMISH PLATEAU WATER & SEWER have PFAS in its water?
How do I pay my SAMMAMISH PLATEAU WATER & SEWER water bill?
How many people does SAMMAMISH PLATEAU WATER & SEWER serve?
What cities does SAMMAMISH PLATEAU WATER & SEWER serve?
Does SAMMAMISH PLATEAU WATER & SEWER have any EPA violations?
What is SAMMAMISH PLATEAU WATER & SEWER's phone number?
Where can I find SAMMAMISH PLATEAU WATER & SEWER's Consumer Confidence Report?
Similar water utilities in Washington
How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: SAMMAMISH PLATEAU WATER & SEWER's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS plus the Washington Department of Environmental Protection / Drinking Water program.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you SAMMAMISH PLATEAU WATER & SEWER? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles SAMMAMISH PLATEAU WATER & SEWER.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
Spotted something off on this page?
Residents keep our data honest.
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.