The purpose of the Stormwater Utility is to protect the natural environment from the impacts of stormwater runoff by properly maintaining the City stormwater system and implementing the City’s stormwater management plan. For information regarding billing, forms, etc. please see the Utilities Clerk page.

To view 2010 Accomplishments, see the 2010 Accomplishments page (NEW)

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(NEW) Please take a moment for our Storm Water Survey

Environmental Management Plan for Street Waste (NEW)

Stormwater Management Plan 2011 (NEW)

2010 DOE Annual Report

Water Quality and Yard Care information

2010 Stormwater Management Plan Update
(Hardcopies are available upon request, please contact the Public Works Department at publicworks@ci.blackdiamond.wa.us)

Department of Ecology - Stormwater Manual
Volume I - Minimum Technical Requirements and Site Planning
Volume II - Construction Stormwater Pollution Prevention
Volume III - Hydrologic Analysis and Flow Control Design/BMPs
Volume IV - Source Control BMPs
Volume V - Runoff Treatment BMPs

Illicit Discharge and Spills Form

Stormwater Pollution Information

2009 Annual DOE Stormwater Report

Stormwater Comprehensive Plan

Stormwater (effective January 1, 2011)
Stormwater rate will be billed per month to each parcel of real property within the City. The rate is based on service charges for the stormwater and surface water management utility. For property owners within the city limits, not receiving water and sewer service from the City, Stormwater will be billed monthly.

Monthly charge
Residential $13.00 per ERU
All others Based on impervious surface (exempting gravel)

Never pour oil, anti-freeze, or paint down or near a storm drain or on the ground.
Always recycle used motor oil. Dispose of household hazardous water properly.
Use natural fertilizers and pest control.
Use commercial car washes connected to a sanitary sewer and conserve water by recycling rinse water.
Protect shoreline habitat.
Plant trees and native plants.
Direct rain water appropriately so it can percolate into the soil.

REPORT A SPILL

The City of Black Diamond, in accordance with the Department of Ecology Phase II Stormwater Permit, has a 24-hour hotline for reporting discharges and spills. 24 Hour Hotline: (360) 886-2560. This hotline is for reporting releases or spills such as paint, small fuel or oil spills, illegal dumping and muddy water being discharged into the city's storm system.

When reporting discharges and spills, you will need to leave (if known) the name(s) and address(es) of the owner and operator of the site, the location of the site (street address, and latitude/longitude if available); the hazardous substances released and their location (latitude/longitude if available); and your contact name and number (contact information will be kept confidential).

Thanks for doing your part to keep the City of Black Diamond clean and beautiful!