New Hampshire / Reports /
New Hampshire sewage discharges in 2011
22 records of sewage discharges and water advisories in New Hampshire dated in 2011, newest first. Each record keeps the source's own times and wording; a record from the last six months, or one still in effect, also has a page of its own.
By type: Combined sewer overflow (CSO)22
By source: City of Portsmouth DPW (CSO page, monthly summary table)22
2011 in other states: Maine, Rhode Island.
Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-02 21:26 UTC.
| Start | Type | Water | Sewer operator | Outlet | Volume | Status and end | Source and record |
|---|---|---|---|---|---|---|---|
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 418,400 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-12:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 300 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-12:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 38,500 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-11:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 2,900 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-11:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 2.81 million gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-10:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 133,600 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-10:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Piscataqua River | City of Portsmouth DPW Wastewater Division | 013 Deer Street | 223,400 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-10:013, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 1.27 million gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-09:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 82,800 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-09:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Piscataqua River | City of Portsmouth DPW Wastewater Division | 013 Deer Street | 28,000 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-09:013, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 570,900 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-08:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 35,400 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-08:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 3,600 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-07:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 34,200 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-06:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 337,300 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-06:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Piscataqua River | City of Portsmouth DPW Wastewater Division | 013 Deer Street | 26,900 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-06:013, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 78,900 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-05:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 373,900 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-04:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 5.62 million gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-03:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10B Parrot Avenue | 75,600 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-03:10B, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Piscataqua River | City of Portsmouth DPW Wastewater Division | 013 Deer Street | 1.48 million gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-03:013, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Portsmouth Harbor | City of Portsmouth DPW Wastewater Division | 10A Parrot Avenue | 41,300 gallons | Ended (as reported); end time not reported | City of Portsmouth DPW (CSO page, monthly summary table) via History of CSO Occurrences PDF, record portsmouth:2011-02:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice · Full record |