LEWISTON, ID · Nez Perce County
HATWAI Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of September 1, 1996. 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 Nez Perce County, ID.
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 Idaho’s official records. Always confirm current status with Idaho before making decisions based on this information.
System facts
- System ID (PWSID)
- ID2350005
- System type
- Community Water System
- Population served
- 25
- Service connections
- 12
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 1996 – May 31, 1996
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
April 1, 1996 – April 30, 1996
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1994 – August 31, 1994
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1994 – June 30, 1994
ArchivedMonitoring, Regular
—2,4,5-TP
January 1, 1993 – December 31, 1995
ResolvedMonitoring, Regular
—Carbofuran
January 1, 1993 – December 31, 1995
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1993 – December 31, 1995
ResolvedMonitoring, Regular
—Heptachlor
January 1, 1993 – December 31, 1995
ResolvedMonitoring, Regular
—Toxaphene
January 1, 1993 – December 31, 1995
ResolvedMonitoring, Regular
—2,4-D
January 1, 1993 – December 31, 1995
ResolvedMaximum Contaminant Level Violation, Average
Health-basedNitrate
October 1, 1984 – September 30, 1985
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 1996 – May 31, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| April 1, 1996 – April 30, 1996 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| August 1, 1994 – August 31, 1994 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| June 1, 1994 – June 30, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 1993 – December 31, 1995 | Monitoring, Regular | 2,4-D | — | Resolved |
| October 1, 1984 – September 30, 1985 | Maximum Contaminant Level Violation, Average | Nitrate | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
208-743-1005
LEWISTON, ID 83501