Skip to main content
💧 TapWaterData
Home/Utilities/Washington/BLACK DIAMOND WATER DEPT

BLACK DIAMOND WATER DEPT

Serving 1 city in WA

Monitor
2 above health guidelines
2K
People Served
1
City
1
Water Sources
0
MCL Violations

Official BLACK DIAMOND WATER DEPT Resources

BLACK DIAMOND WATER DEPT Service Area

Loading map...

Service Area

This map shows the approximate service area for BLACK DIAMOND WATER DEPT. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

BLACK DIAMOND WATER DEPT Water Quality Grade

B
Good

Water quality is good with minor concerns.

Quality Score80/100
2
Above Health Guidelines
0
EPA Violations

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 BLACK DIAMOND WATER DEPT Water Safe to Drink?

BLACK DIAMOND WATER DEPT 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 2,420 people across 1 city 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.

BLACK DIAMOND WATER DEPT Service Area

BLACK DIAMOND WATER DEPT Contact & Information

Emergency Line

1-866-363-4276

24/7 After-Hours

Mailing Address

PO BOX 599 Black Diamond, WA 98010

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

BLACK DIAMOND WATER DEPT Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

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 BLACK DIAMOND WATER DEPT

Based on water quality data from cities served by BLACK DIAMOND WATER DEPT, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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.