MANHATTAN, MT · Gallatin County
MANHATTAN TOWN OF Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.
System facts
- System ID (PWSID)
- MT0000285
- System type
- Community Water System
- Population served
- 1,800
- Service connections
- 906
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Endrin
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Chlordane
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—LASSO
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Picloram
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—Dalapon
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2021 – March 31, 2021
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2014 – January 30, 2014
ResolvedMonitoring, Regular
—Fluoride
January 1, 2008 – October 26, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2006 – December 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 1997 – June 30, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 1997 – February 28, 1997
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
June 1, 1994 – June 30, 1994
ResolvedMonitoring, Regular
—Nitrate
January 1, 1993 – December 31, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2014 – January 30, 2014 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| January 1, 2008 – October 26, 2010 | Monitoring, Regular | Fluoride | — | Resolved |
| December 1, 2007 – December 31, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| September 1, 2005 – September 30, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| June 1, 1997 – June 30, 1997 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 1997 – February 28, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1994 – June 30, 1994 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1993 – December 31, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 4, 2021State Public Notification received25 linked violations
- April 21, 2021State Compliance achieved1 linked violation
- April 21, 2021State Compliance achieved23 linked violations
- April 21, 2021State Compliance achieved1 linked violation
- April 20, 2021State Violation/Reminder Notice1 linked violation
- April 20, 2021State Violation/Reminder Notice23 linked violations
- April 20, 2021State Public Notification requested23 linked violations
- April 20, 2021State Public Notification requested1 linked violation
- April 20, 2021State Violation/Reminder Notice1 linked violation
- April 20, 2021State Public Notification requested1 linked violation
- June 5, 2014State Public Notification received1 linked violation
- May 15, 2014State Public Notification requested2 linked violations
- May 7, 2014State Compliance achieved2 linked violations
- May 15, 2009State Compliance achieved1 linked violation
- January 7, 2009State Compliance achieved9 linked violations
- January 16, 2008State Violation/Reminder Notice1 linked violation
- January 16, 2008State Public Notification requested1 linked violation
- May 1, 2007State Compliance achieved4 linked violations
- January 18, 2007State Compliance achieved23 linked violations
- January 14, 2007State Public Notification requested1 linked violation
- January 14, 2007State Public Notification requested1 linked violation
- January 14, 2007State Violation/Reminder Notice2 linked violations
- January 14, 2007State Public Notification requested1 linked violation
- January 14, 2007State Violation/Reminder Notice1 linked violation
- January 14, 2007State Public Notification requested1 linked violation
- June 1, 2006State Compliance achieved2 linked violations
- February 10, 2006State Public Notification requested21 linked violations
- February 10, 2006State Violation/Reminder Notice21 linked violations
- January 4, 2006State Compliance achieved1 linked violation
- December 13, 2005State Compliance achieved1 linked violation
- December 2, 2005State Violation/Reminder Notice1 linked violation
- December 2, 2005State Public Notification requested1 linked violation
- June 11, 2002State Compliance achieved2 linked violations
Contact
HUMPHREY, PAM
406-284-3235
MANHATTAN, MT 59741