SMARTVALVE

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

$18.92/kGal

Rate Structure

2 Tiers

flat volumetric Sewer

Last Verified

Feb 2026

Official Rate Card ↗

Volumetric Water Tiers

TierUsage Range (kGal)Rate / kGal
Tier 1First 2.992$5.44
Tier 2 (High Use)Over 2.992 to $9.93

Sewer & Infrastructure Logic

Washington calculates sewer charges using the flat volumetric method.

Clean Rivers Impervious Area Charge + volumetric sewer

Sewer Rates

0 - null kGal$8.02/kGal

Monthly Base Fees (5/8" Meter)

Water Base$5.13
Sewer Base$5.13

Local Surcharges

Right-of-Way Fee1%
Interactive Tool

Calculate Your Tier Penalty

Find out exactly how much extra Washington is charging you for crossing into higher usage tiers.

kGal

1 kGal = 1,000 gallons. If your bill says CCF, enter: (CCF × 0.748)

Water Quality Alert

Live data from EPA ECHO Database

Check your local water utility for Safe Drinking Water Act (SDWA) violations and contaminant alerts.