Fairfax County Water Authority (Fairfax Water)
Fairfax County and regional Fairfax Water service area
Population reference
1,121,613 people (EPA SDWIS active CWS PWS VA6059501)
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.
- Rate structure
- Metered water and sewer charges with peak-use billing; new accounts pay a slightly higher usage rate until winter-quarter consumption is established. Fairfax Water approved rate changes effective April 1, 2026.
- Wastewater and sewer calculation
- Fairfax Water and Fairfax County/Town of Vienna sewer charges may be billed quarterly through billing agents; peak-use and winter-quarter rules apply to the account, not a universal flat percentage.
- Meter reading
- Fairfax Water provides usage history and peak-use calculations; the reviewed pages did not identify one universal AMI vendor or transmission interval.
Context, not a score
How documentation coverage compares
This profile
43%
overview fields with research notes
Virginia
52%
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
3 of 7 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
43%
Details not confirmed in the reviewed public material
- Billing frequency
- Residential cost reference
- 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
- Fairfax County Water Authority (Fairfax Water) public website ↗
Provider-controlled destination used to confirm current customer instructions.
- EPA SDWIS / ECHO lookup (VA6059501) ↗
Search the federal drinking-water database using public water system ID VA6059501.