HILLSBORO, NH · Hillsborough County
EMERALD LAKE Water System
Consumer Confidence Report status
EMERALD LAKE must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for EMERALD LAKE.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- NH1141020
- System type
- Community Water System
- Population served
- 1,300
- Service connections
- 528
- Ownership
- local government
- Water source
- groundwater (wells)
EMERALD LAKE is one of 101 community water systems in New Hampshire in the 501 to 3,300 people size category, serving 1,300 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 2005 and 2024, all of which EPA lists as closed.
Of the 4, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, the Public Notice Rule and Revised PN Rule, and the Total Coliform Rules.
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2024 – October 1, 2024
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
January 23, 2020 – February 7, 2020
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2012 – September 30, 2012
ResolvedMaximum Contaminant Level Violation, Average
Health-basedArsenic
October 1, 2005 – December 31, 2005
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2024 – October 1, 2024 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 23, 2020 – February 7, 2020 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| September 1, 2012 – September 30, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2005 – December 31, 2005 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 5, 2024State Public Notification received6 linked violations
- October 18, 2024State Public Notification requested3 linked violations
- December 7, 2021State Compliance achieved4 linked violations
- November 22, 2021State Public Notification received6 linked violations
- November 10, 2021State Violation/Reminder Notice4 linked violations
- November 10, 2021State Public Notification requested4 linked violations
- February 3, 2021State Formal Notice of Violation issued6 linked violations
- March 18, 2020State Public Notification requested10 linked violations
- February 7, 2020State Compliance achieved8 linked violations
- September 3, 2019State Public Notification received19 linked violations
- June 14, 2019State Public Notification received6 linked violations
- July 23, 2013State Public Notification received9 linked violations
- July 22, 2013State Violation/Reminder Notice12 linked violations
- November 1, 2012State Formal Notice of Violation issued6 linked violations
- November 21, 2007State Compliance achieved8 linked violations
- November 15, 2006State Public Notification received8 linked violations
- October 10, 2005State Violation/Reminder Notice16 linked violations
- February 7, 2005State Public Notification received18 linked violations
- June 18, 2004State Violation/Reminder Notice30 linked violations
Common questions
Is EMERALD LAKE required to publish a Consumer Confidence Report?
- Yes. EMERALD LAKE is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is EMERALD LAKE’s next Consumer Confidence Report due?
- EMERALD LAKE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does EMERALD LAKE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for EMERALD LAKE.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
EMERALD LAKE VILLAGE DISTRICT
Phone not on record
HILLSBORO, NH 03244