NENANA, AK · Yukon-Koyukuk Census Area County

Y/KOYUKUK SCHOOL DISTRICT Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of August 1, 1994. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Yukon-Koyukuk Census Area County, AK.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Alaska’s official records. Always confirm current status with Alaska before making decisions based on this information.

System facts

System ID (PWSID): AK2390170
System type: Community Water System
Population served: 49
Service connections: 6
Ownership: state government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Benzene
July 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Nitrate
June 30, 1986 – June 30, 1989
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Vinyl chloride	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Benzene	—	Archived
June 30, 1986 – June 30, 1989	Monitoring, Regular	Nitrate	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 19, 1993State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 9, 1993State Othergeneral compliance action — not tied to a specific violation on record
December 17, 1992State Violation/Reminder Notice1 linked violation
September 10, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 10, 1992State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 1, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 10, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
April 4, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

Not on record

907-832-5594

NENANA, AK 99760