Public water system record
Nsbu - Wainwright
Serves an area of North Slope Borough, AK that includes Wainwright · 600 people served
Federal records show no health-based violations and 50 monitoring/reporting issues for Nsbu - Wainwright in the last ten years.
System profile
Source water
Surface water
ZIP
99518
EPA system ID
AK2320086
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 50
Key facts
- Nsbu - Wainwright draws water from 2 surface water intakes.
- Most recent enforcement action: boil water order by Alaska, December 2025.
- Record on file since 1979, with 48 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 192 service lines.
Check whether Nsbu - Wainwright 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Styrene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Toluene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Benzene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2019 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Styrene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Toluene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Benzene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
Full record since 1979
EPA's records for Nsbu - Wainwright go back to 1979. Before October 20, 2016 they list 48 health-based violations (48 archived by EPA without a recorded fix) and 185 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 15 |
| 1980s | 0 | 15 |
| 1990s | 48 | 36 |
| 2000s | 0 | 69 |
| 2010 to October 19, 2016 | 0 | 50 |
| October 20, 2016 to 2019 | 0 | 3 |
| 2020s | 0 | 25 |
Most recent health-based violation before October 20, 2016: Surface Water Treatment Rule, began December 1998, Archived.
Show all 48 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1998 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1998 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1998 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 1998 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 1998 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1997 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 1997 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 1997 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1997 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1997 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1997 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1993 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1993 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1993 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1993 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 1993 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1993 | Archived |
Enforcement actions
Alaska regulators took 1 formal enforcement action against Nsbu - Wainwright and issued 19 boil water orders between 2007 and 2025. The most recent was a boil water order in December 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 11, 2025 | Alaska | Boil water order | 1 violation |
| Nov 24, 2025 | Alaska | Boil water order | 1 violation |
| Nov 12, 2025 | Alaska | Boil water order | 1 violation |
| Oct 14, 2025 | Alaska | Boil water order | 1 violation |
| Apr 4, 2025 | Alaska | Boil water order | 1 violation |
| Jan 25, 2025 | Alaska | Boil water order | 1 violation |
| Jun 16, 2024 | Alaska | Boil water order | 1 violation |
| May 8, 2024 | Alaska | Boil water order | 1 violation |
| Oct 4, 2023 | Alaska | Boil water order | 1 violation |
| Aug 17, 2023 | Alaska | Boil water order | 1 violation |
| Jul 6, 2023 | Alaska | Boil water order | 1 violation |
| May 8, 2023 | Alaska | Boil water order | 1 violation |
| Apr 14, 2023 | Alaska | Boil water order | 1 violation |
| Feb 15, 2023 | Alaska | Boil water order | 1 violation |
| Dec 21, 2022 | Alaska | Boil water order | 1 violation |
| Dec 9, 2022 | Alaska | Boil water order | 1 violation |
| Oct 24, 2022 | Alaska | Boil water order | 1 violation |
| Aug 29, 2022 | Alaska | Boil water order | 1 violation |
| May 26, 2022 | Alaska | Boil water order | 1 violation |
| Feb 15, 2007 | Alaska | Compliance order (no penalty) | 21 violations: Chlorine, Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
Where the water comes from
Nsbu - Wainwright draws water from 2 surface water intakes.
Annual water quality report
Nsbu - Wainwright 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 Alaska.
Certified drinking water labs by state EPA guidance for private wells