Public water system record
Onslow Wtr and Sewer Authority
Serves an area of Onslow County, NC that includes Jacksonville, Piney Green, Half Moon and 5 more places · 156,755 people served
Federal records show 1 health-based violation and 6 monitoring/reporting issues for Onslow Wtr and Sewer Authority in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 6
Key facts
- Onslow Wtr and Sewer Authority draws water from 34 wells.
- Most recent formal enforcement: compliance order (no penalty) by North Carolina, January 2024.
- Record on file since 2000, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 17,422 unknown out of 59,068 service lines.
Check whether Onslow Wtr and Sewer Authority serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 28, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Dec 11, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jul 11, 2023 | Resolved |
|
Public Notice
OTHER
|
Jun 28, 2020 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Jun 11, 2019 | Resolved |
Full record since 2000
EPA's records for Onslow Wtr and Sewer Authority go back to 2000. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 64 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 58 |
| 2010 to October 18, 2016 | 3 | 6 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 1 | 5 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2013, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
Oct 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jul 1, 2013 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jan 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2006 | Resolved |
Enforcement actions
North Carolina regulators took 7 formal enforcement actions against Onslow Wtr and Sewer Authority between 2007 and 2024. The most recent was a compliance order (no penalty) in January 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 18, 2024 | North Carolina | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Oct 18, 2023 | North Carolina | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Jun 28, 2019 | North Carolina | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Jan 17, 2014 | North Carolina | Compliance order (no penalty) | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
| Feb 17, 2011 | North Carolina | Compliance order (no penalty) | 1 violation: E. coli |
| Jul 28, 2010 | North Carolina | Compliance order with a penalty | 1 violation: Total Coliform |
| Dec 31, 2007 | North Carolina | Compliance order with a penalty | 2 violations: Lead and Copper Rule |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Onslow Wtr and Sewer Authority draws water from 34 wells. It also buys water from Usmc Lejeune--New River Air St. It also has emergency connections to City of Jacksonville, Northwest Onslow Water Assoc and Town of Surf City. 6 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Onslow Wtr and Sewer Authority. 4 other public water systems have emergency connections to Onslow Wtr and Sewer Authority.
Buys water from
- Usmc Lejeune--New River Air St Camp Lejeune, NC
Emergency or part-time connections to
- City of Jacksonville Jacksonville, NC
- Northwest Onslow Water Assoc Richlands, NC
- Town of Surf City Surf City, NC
Community systems that buy water from it
- City of Jacksonville - Springfield Apts Jacksonville, NC
- Maple Hill Water District Burgaw, NC
- Raintree/Summersill Estates #2 Jacksonville, NC
- Southgate MHP Jacksonville, NC
- Summersill Estates No 1 Jacksonville, NC
- Usmc Lejeune--Rifle Range Camp Lejeune, NC
Annual water quality report
Onslow Wtr and Sewer Authority must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by North Carolina.
Certified drinking water labs by state EPA guidance for private wells