Onslow Water and Sewer Authority (ONWASA)
Onslow County and surrounding service areas
Population reference
156,755 people (EPA SDWIS active CWS PWS NC0467035)
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.
- Wastewater and sewer calculation
- ONWASA’s leak policy states that no adjustment is available for sewer services billed at a flat rate for third-party billing. The reviewed pages do not expose the complete ordinary sewer formula or winter-average method.
- Meter reading
- ONWASA states that approximately 90% of area residential meters are located at or near the front sidewalk and explains both conventional flow indicators and new Automatic Meter Reader (AMR) meters. The site also links AMI FAQs, but the reviewed pages do not establish a universal read interval or full AMI deployment schedule.
- New-account deposit
- ONWASA’s New Customer page links security-deposit information and the service application, but the reviewed text does not expose the current residential deposit amount, credit-check waiver, or refund timing.
Context, not a score
How documentation coverage compares
This profile
43%
overview fields with research notes
North Carolina
44%
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
- Rate structure
- Residential cost reference
- 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
- Onslow Water and Sewer Authority (ONWASA) public website ↗
Provider-controlled destination used to confirm current customer instructions.
- EPA SDWIS / ECHO lookup (NC0467035) ↗
Search the federal drinking-water database using public water system ID NC0467035.