Water Rates in Washington, DC

The DC Water and Sewer Authority serves Washington with a complex rate structure. Understanding your tiers and sewer multiplier is the first step to mitigating an unexpectedly high bill.

Effective Blended Rate

$22.19/kGal

Rate Structure

1 Tiers

flat volumetric Sewer

Last Verified

Mar 2026

Official Rate Card ↗

Volumetric Water Tiers

Washington volumetric water tiers and rates per thousand gallons
Tier	Usage Range (kGal)	Rate / kGal
Non-residential flat	First All volume	$7.73

Scroll horizontally to see every rate column.

Sewer & Infrastructure Logic

Washington calculates sewer charges using the flat volumetric method.

Volumetric sewer charge per CCF

Sewer Rates

All volume$14.47/kGal

At $22.19/kGal, How Much Could You Save in Washington?

Smart Valve technology reduces metered water volume 15-25%. At Washington's current rates, that's $15,979/yr in potential savings for a 300 kGal/month facility.

Calculate Your Washington Savings →

Monthly Base Fees (5/8" Meter)

Water Base$5.13

Sewer Base$5.13

Local Surcharges

Right-of-Way Fee1%

CRIAC (per ERU)$24.23

Flat Rate Utility

Washington uses a flat rate structure. You are not penalized with higher rates for using more water, but conservation still lowers your bill directly!