NH1141020 · New Hampshire
EMERALD LAKE
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 11
- EPA health-based flag
- 5
- Health-based records unresolved in this snapshot
- 1
- Monitoring and reporting records
- 4
Counties listed by EPA · Hillsborough 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 9 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 90 days. The interval uses the reporting periods and dates on file.
EPA health-based flag · Unaddressed by formal action
Failure To Address DeficiencyViolation 2100075 · Groundwater Rule · Ground Water RuleNoncompliance period start October 2, 2020 · first reported May 3, 2022
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2100208 February 3, 2021 Informal State Public Notification requested 2100209 February 3, 2021 Informal State Formal Notice of Violation issued 2100210 March 10, 2021 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 2400087 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2024 · period end October 1, 2024 · first reported August 21, 2025 · EPA return-to-compliance field October 1, 2024
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2500256 October 18, 2024 Informal State Violation/Reminder Notice 2500257 October 18, 2024 Informal State Public Notification requested 2500259 November 5, 2024 Informal State Public Notification received 2500261 December 23, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring and Reporting (DBP)Violation 2400086 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts RuleNoncompliance period start July 1, 2024 · period end October 1, 2024 · first reported August 21, 2025 · EPA return-to-compliance field October 1, 2024
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2500254 October 18, 2024 Informal State Violation/Reminder Notice 2500255 October 18, 2024 Informal State Public Notification requested 2500258 November 5, 2024 Informal State Public Notification received 2500260 December 23, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Report Sample Result/Fail Monitor (RTCR)Violation 2200078 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start November 10, 2021 · period end December 7, 2021 · first reported August 17, 2022 · EPA return-to-compliance field December 7, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2200216 November 10, 2021 Informal State Violation/Reminder Notice 2200217 November 10, 2021 Informal State Public Notification requested 2200220 November 22, 2021 Informal State Public Notification received 2200223 December 7, 2021 Resolving State Compliance achieved Monitoring or reporting · Resolved
Monitoring, Routine (RTCR)Violation 2200077 · Revised Total Coliform Rule · Revised Total Coliform RuleNoncompliance period start October 1, 2021 · period end November 1, 2021 · first reported August 17, 2022 · EPA return-to-compliance field November 1, 2021
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2200214 November 10, 2021 Informal State Violation/Reminder Notice 2200215 November 10, 2021 Informal State Public Notification requested 2200221 November 22, 2021 Informal State Public Notification received 2200222 December 7, 2021 Resolving State Compliance achieved Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 2000073 · Public Notice · Public Notice Rule and Revised PN RuleNoncompliance period start January 23, 2020 · period end February 7, 2020 · first reported May 3, 2022 · EPA return-to-compliance field February 7, 2020
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2000198 February 4, 2020 Informal State Violation/Reminder Notice 2000200 February 7, 2020 Resolving State Compliance achieved EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 2000074 · Arsenic · Arsenic RuleNoncompliance period start January 1, 2020 · period end March 31, 2020 · first reported May 3, 2022 · EPA return-to-compliance field March 31, 2020
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2000201 March 18, 2020 Informal State Violation/Reminder Notice 2000202 March 18, 2020 Informal State Public Notification requested 2000203 April 16, 2020 Informal State Public Notification received 2000204 May 1, 2020 Resolving State Compliance achieved EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 2000072 · Arsenic · Arsenic RuleNoncompliance period start October 1, 2019 · period end December 31, 2019 · first reported May 3, 2022 · EPA return-to-compliance field December 31, 2019
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 2000196 December 16, 2019 Informal State Violation/Reminder Notice 2000197 December 16, 2019 Informal State Public Notification requested 2000199 February 7, 2020 Informal State Public Notification received 2000204 May 1, 2020 Resolving State Compliance achieved EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 1900068 · Arsenic · Arsenic RuleNoncompliance period start July 1, 2019 · period end September 30, 2019 · first reported May 3, 2022 · EPA return-to-compliance field September 30, 2019
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1900189 August 6, 2019 Informal State Violation/Reminder Notice 1900190 August 6, 2019 Informal State Public Notification requested 1900191 September 3, 2019 Informal State Public Notification received 2000204 May 1, 2020 Resolving State Compliance achieved EPA health-based flag · Resolved
Maximum Contaminant Level Violation, AverageViolation 1900067 · Arsenic · Arsenic RuleNoncompliance period start April 1, 2019 · period end June 30, 2019 · first reported May 3, 2022 · EPA return-to-compliance field June 30, 2019
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 1900185 April 26, 2019 Informal State Violation/Reminder Notice 1900186 April 26, 2019 Informal State Public Notification requested 1900187 June 14, 2019 Informal State Public Notification received 2000204 May 1, 2020 Resolving State Compliance achieved Other or unclassified · Unaddressed by formal action
Public Notification Violation for NPDWR ViolationViolation 0200007 · Public Notice · Public Notice Rule and Revised PN RuleNoncompliance period start January 27, 2002 · first reported May 21, 2002
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 0200011 February 8, 2002 Informal State Violation/Reminder Notice
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