Mukilteo Water and Wastewater District
Mukilteo and portions of Snohomish County
Population reference
31,437 people (EPA SDWA queue estimate for WA5357550)
Billing detail
Partial public detail found
Official destination
Open provider website ↗Provider-specific findings
Billing and account research from public material
Provider-specific research notes are displayed separately from fields that contain only an unavailable-information marker. Read qualifiers in each note and verify current account terms with the provider.
- Billing frequency
- Bi-monthly; water, wastewater, and City stormwater charges are billed on two-month cycles.
- Rate structure
- Bi-monthly base charge by meter size plus a volumetric charge per 1,000 gallons. 2026 single-family water rates use a $49.80 base for a 5/8 x 3/4-inch meter and $4.19 per 1,000 gallons; wastewater is a flat $151.80 bi-monthly for a single-family residence.
- Residential cost reference
- Approximately $171.15 per month equivalent before tax for a 5/8-inch single-family account using 6,000 gallons per month: about $100.08 bi-monthly water, $151.80 bi-monthly wastewater, and approximately $90.42 bi-monthly City stormwater at the 2026 $45.21 monthly ERU rate. Actual billing depends on the customer’s service area and stormwater line.
- Wastewater and sewer calculation
- Single-family wastewater is a flat $151.80 per two-month bill in the 2026 schedule, with no residential volume charge. Commercial and industrial classes have meter-size base charges and volume/strength surcharges based on gallons and BOD class.
- Meter reading
- The District bills on two-month cycles and provides usage history through CivicPay. The reviewed pages did not identify AMR/AMI technology or the exact meter-read schedule.
Context, not a score
How documentation coverage compares
This profile
71%
overview fields with research notes
Washington
51%
records with any overview detail
National index
50%
records with any overview detail
Coverage measures what this directory documented. It does not measure service quality, affordability, or regulatory compliance.
Research record
Partial public detail found
5 of 7 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
71%
Details not confirmed in the reviewed public material
- New-account deposit
- Activation or transfer fee
“Not confirmed” means the directory did not identify a dependable public statement. It does not mean the provider has no policy or option.
Primary verification routes
- Mukilteo Water and Wastewater District public website ↗
Provider-controlled destination used to confirm current customer instructions.
- EPA SDWIS / ECHO lookup (WA5357550) ↗
Search the federal drinking-water database using public water system ID WA5357550.