DERRY, NH · Rockingham County
CENTENNIAL ESTATES Water System
Consumer Confidence Report status
CENTENNIAL ESTATES 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 CENTENNIAL ESTATES.
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)
- NH0613060
- System type
- Community Water System
- Population served
- 140
- Service connections
- 56
- Ownership
- privately owned
- Water source
- groundwater (wells)
CENTENNIAL ESTATES is one of 877 community water systems in New Hampshire in the 500 or fewer people size category, serving 140 people from groundwater.
As of August 1, 2026, its federal record holds 24 entries between 1996 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.
All 24 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 synthetic organic chemicals, inorganic chemicals, and volatile organic chemicals.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2012 – April 30, 2012
ArchivedMonitoring, Regular
—BHC-GAMMA
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—LASSO
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—2,4-D
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Barium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Cadmium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Selenium
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 1996 – September 30, 1996
ResolvedMonitoring, Regular
—Toluene
July 1, 1996 – September 30, 1996
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2012 – April 30, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2009 – December 31, 2009 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 1996 – September 30, 1996 | Monitoring, Regular | Toluene | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- September 4, 2012State Public Notification requested42 linked violations
- July 19, 2012State Violation/Reminder Notice33 linked violations
Common questions
Is CENTENNIAL ESTATES required to publish a Consumer Confidence Report?
- Yes. CENTENNIAL ESTATES 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 CENTENNIAL ESTATES’s next Consumer Confidence Report due?
- CENTENNIAL ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CENTENNIAL ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CENTENNIAL ESTATES.
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
CENTENNIAL ESTATES COOPERATIVE INC
Phone not on record
DERRY, NH 03038