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New Hampshire sewage discharges in 2012

15 records of sewage discharges and water advisories in New Hampshire dated in 2012, 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)15

By source: City of Portsmouth DPW (CSO page, monthly summary table)15

2012 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.

Records in New Hampshire, 2012, newest first
StartTypeWaterSewer operatorOutletVolumeStatus and endSource and record
Combined sewer overflow (CSO) Portsmouth Harbor City of Portsmouth DPW Wastewater Division 10A Parrot Avenue 2.57 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:2012-12:10A, 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 254,300 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:2012-12:013, 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 136,000 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:2012-09:10A, 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 10A Parrot Avenue 701,400 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:2012-08:10A, 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 426,800 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:2012-08:10B, 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 127,900 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:2012-08:013, 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 15,200 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:2012-07:10A, 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 1.7 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:2012-06:10A, 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 623,000 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:2012-06:10B, 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 326,100 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:2012-06:013, 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 143,800 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:2012-05:10A, 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 2.48 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:2012-04:10A, 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 10B Parrot Avenue 272,100 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:2012-04:10B, 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 148,500 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:2012-04:013, 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 265,100 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:2012-01:10A, the source gives no report time, retrieved 2026-11-02 21:19 UTC · Original notice ·
Full record