ALTON, NH · Belknap County
ALTON WATER WORKS 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 New Hampshire’s official records. Always confirm current status with New Hampshire before making decisions based on this information.
System facts
- System ID (PWSID)
- NH0061010
- System type
- Community Water System
- Population served
- 1,800
- Service connections
- 712
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
July 1, 2020 – September 30, 2020
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—CYANIDE
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Fluoride
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Barium
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Tetrachloroethylene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Benzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Regular
—Styrene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Benzene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Toluene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2004 – June 30, 2004
ResolvedMonitoring, Regular
—Selenium
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Toluene
January 1, 1994 – December 31, 1994
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2020 – September 30, 2020 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | CYANIDE | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Fluoride | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Barium | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 1994 – December 31, 1994 | Monitoring, Regular | Toluene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 27, 2020State Public Notification requested15 linked violations
- April 6, 2015State Public Notification received46 linked violations
- November 29, 2010State Public Notification received33 linked violations
- August 27, 2004State Violation/Reminder Notice34 linked violations
- August 27, 2004State Public Notification requested33 linked violations
Contact
ALTON WATER WORKS
Phone not on record
ALTON, NH 03809