NH0081010 · New Hampshire

ANDOVER VILLAGE DIST

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown: 25
EPA health-based flag: 7
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 13

Counties listed by EPA · Merrimack County, New Hampshire

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 19 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 91 days. The interval uses the reporting periods and dates on file.

Monitoring or reporting · Unaddressed by formal action
Monitoring and Reporting (DBP)Violation 2600595 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start April 1, 2026 · period end July 1, 2026 · first reported August 27, 2026
No linked action row appears in the records shown.
Monitoring or reporting · Unaddressed by formal action
Monitoring and Reporting (DBP)Violation 2600594 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start April 1, 2026 · period end July 1, 2026 · first reported August 27, 2026
No linked action row appears in the records shown.
Monitoring or reporting · Unaddressed by formal action
Monitoring and Reporting (DBP)Violation 2600593 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule
Noncompliance period start April 1, 2026 · period end July 1, 2026 · first reported August 27, 2026
No linked action row appears in the records shown.
Other or unclassified · Unaddressed by formal action
Public Notification Violation for NPDWR ViolationViolation 2600589 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start February 26, 2026 · first reported June 23, 2026
No linked action row appears in the records shown.
Other or unclassified · Unaddressed by formal action
Public Notification Violation for NPDWR ViolationViolation 2600588 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start February 26, 2026 · first reported June 23, 2026
No linked action row appears in the records shown.

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2600591 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2026 · period end April 1, 2026 · first reported June 23, 2026 · EPA return-to-compliance field April 1, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600145	April 24, 2026	Informal	State Violation/Reminder Notice
2600146	April 24, 2026	Informal	State Public Notification requested
2600148	May 15, 2026	Informal	State Public Notification received
2600149	May 20, 2026	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2600590 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2026 · period end April 1, 2026 · first reported June 23, 2026 · EPA return-to-compliance field April 1, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600143	April 24, 2026	Informal	State Violation/Reminder Notice
2600144	April 24, 2026	Informal	State Public Notification requested
2600147	May 15, 2026	Informal	State Public Notification received
2600150	May 20, 2026	Resolving	State Compliance achieved

Other or unclassified · Resolved

Public Notification Violation for NPDWR ViolationViolation 2500583 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start December 11, 2025 · period end March 16, 2026 · first reported February 19, 2026 · EPA return-to-compliance field March 16, 2026

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600116	December 12, 2025	Informal	State Violation/Reminder Notice
2600142	March 16, 2026	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring of Treatment (SWTR-Filter)Violation 2600584 · Surface Water Treatment Rule · Surface Water Treatment Rule

Noncompliance period start December 1, 2025 · period end December 31, 2025 · first reported February 19, 2026 · EPA return-to-compliance field December 31, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600117	January 12, 2026	Informal	State Violation/Reminder Notice
2600118	January 12, 2026	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2600587 · Chlorine · Stage 1 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2025 · period end January 1, 2026 · first reported February 19, 2026 · EPA return-to-compliance field January 1, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600123	January 16, 2026	Informal	State Violation/Reminder Notice
2600130	February 17, 2026	Resolving	State Compliance achieved
2600136	March 16, 2026	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2600586 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2025 · period end January 1, 2026 · first reported February 19, 2026 · EPA return-to-compliance field January 1, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600121	January 16, 2026	Informal	State Violation/Reminder Notice
2600122	January 16, 2026	Informal	State Public Notification requested
2600129	February 4, 2026	Resolving	State Compliance achieved
2600137	March 16, 2026	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2600585 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2025 · period end January 1, 2026 · first reported February 19, 2026 · EPA return-to-compliance field January 1, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600119	January 16, 2026	Informal	State Violation/Reminder Notice
2600120	January 16, 2026	Informal	State Public Notification requested
2600128	February 4, 2026	Resolving	State Compliance achieved
2600139	March 16, 2026	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2500579 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2025 · period end October 1, 2025 · first reported February 19, 2026 · EPA return-to-compliance field October 1, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600102	October 21, 2025	Informal	State Violation/Reminder Notice
2600103	October 21, 2025	Informal	State Public Notification requested
2600104	October 21, 2025	Resolving	State Compliance achieved
2600106	October 27, 2025	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 2500578 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2025 · period end October 1, 2025 · first reported February 19, 2026 · EPA return-to-compliance field October 1, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600099	October 21, 2025	Informal	State Violation/Reminder Notice
2600100	October 21, 2025	Informal	State Public Notification requested
2600101	October 21, 2025	Resolving	State Compliance achieved
2600105	October 27, 2025	Informal	State Public Notification received

EPA health-based flag · Resolved

Treatment Technique (SWTR and GWR)Violation 2500577 · Surface Water Treatment Rule · Surface Water Treatment Rule

Noncompliance period start May 1, 2025 · period end June 1, 2025 · first reported August 21, 2025 · EPA return-to-compliance field June 1, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2500096	July 1, 2025	Informal	State Violation/Reminder Notice
2500097	July 1, 2025	Informal	State Public Notification requested
2500098	July 11, 2025	Informal	State Public Notification received
2500110	July 11, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 2500580 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start January 1, 2025 · period end February 4, 2026 · first reported February 19, 2026 · EPA return-to-compliance field February 4, 2026

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2600107	October 31, 2025	Informal	State Violation/Reminder Notice
2600108	October 31, 2025	Informal	State Public Notification requested
2600127	February 4, 2026	Resolving	State Compliance achieved
2600141	March 16, 2026	Informal	State Public Notification received

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 2400575 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start August 1, 2024 · period end August 28, 2024 · first reported October 16, 2024 · EPA return-to-compliance field August 28, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
2400087 August 6, 2024 Informal State Violation/Reminder Notice
2400088 August 28, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400087	August 6, 2024	Informal	State Violation/Reminder Notice
2400088	August 28, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 2400574 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2024 · period end June 30, 2024 · first reported August 21, 2025 · EPA return-to-compliance field June 30, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400084	July 18, 2024	Informal	State Violation/Reminder Notice
2400085	July 18, 2024	Informal	State Public Notification requested
2400086	July 19, 2024	Informal	State Public Notification received
2500092	October 14, 2024	Resolving	State Compliance achieved

Other or unclassified · Resolved

Public Notification Violation for NPDWR ViolationViolation 2400572 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start February 27, 2024 · period end April 30, 2024 · first reported May 9, 2024 · EPA return-to-compliance field April 30, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400075	March 7, 2024	Informal	State Violation/Reminder Notice
2400080	April 24, 2024	Informal	State Formal Notice of Violation issued
2400083	April 30, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 2400573 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported August 21, 2025 · EPA return-to-compliance field March 31, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400078	April 22, 2024	Informal	State Violation/Reminder Notice
2400079	April 22, 2024	Informal	State Public Notification requested
2400081	April 23, 2024	Informal	State Public Notification received
2500091	October 14, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Failure To Address DeficiencyViolation 2400570 · Groundwater Rule · Ground Water Rule

Noncompliance period start January 1, 2024 · period end November 1, 2024 · first reported May 9, 2024 · EPA return-to-compliance field November 1, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400070	January 17, 2024	Informal	State Violation/Reminder Notice
2400071	January 17, 2024	Informal	State Public Notification requested
2400082	April 30, 2024	Informal	State Public Notification received
2500093	November 1, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 2400571 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported August 21, 2025 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400072	January 18, 2024	Informal	State Violation/Reminder Notice
2400073	January 18, 2024	Informal	State Public Notification requested
2400074	January 19, 2024	Informal	State Public Notification received
2500090	October 14, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 2300569 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported August 21, 2025 · EPA return-to-compliance field September 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2400067	October 23, 2023	Informal	State Violation/Reminder Notice
2400068	October 23, 2023	Informal	State Public Notification requested
2400069	December 6, 2023	Informal	State Public Notification received
2500089	October 14, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Unaddressed by formal action
Lead Consumer NoticeViolation 2200568 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start January 1, 2023 · first reported May 9, 2023
No linked action row appears in the records shown.

EPA health-based flag · Resolved

Treatment Technique (SWTR and GWR)Violation 2200566 · Surface Water Treatment Rule · Surface Water Treatment Rule

Noncompliance period start September 1, 2022 · period end October 1, 2022 · first reported October 25, 2022 · EPA return-to-compliance field October 1, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
2300059	October 14, 2022	Informal	State Violation/Reminder Notice
2300060	October 14, 2022	Informal	State Public Notification requested
2300061	November 10, 2022	Informal	State Public Notification received
2300066	May 3, 2023	Resolving	State Compliance achieved

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility