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New Hampshire Department of Environmental Services

Watershed Management Bureau

  TOTAL MAXIMUM DAILY LOAD (TMDL) PROGRAM

    Status in New Hampshire



Waterbody Name Water Quality Standard of Concern Study Area Pollutants Allocated or Likely to be Allocated to the TMDL Project Reports and Documents Date # of approved TMDL's
Policy-Porcupine Brook
View Map
Chloride Salem and Windham Road Salt
  • Public Comment Notice
  • Data Quality Audit
  • Data Report
  • Data Report Appendices
  • Draft Chloride TMDL for Policy Brook
  •    
    North Tributary to Canobie Lake
    View Map
    Chloride Windham Road Salt
  • Public Comment Notice
  • Data Quality Audit
  • Data Report
  • Data Report Appendices
  • Draft Chloride TMDL for North Tributary to Canobie Lake
  •    
    Dinsmore Brook
    View Map
    Chloride Windham Road Salt
  • Public Comment Notice
  • Data Quality Audit
  • Data Report
  • Data Report Appendices
  • Draft Chloride TMDL for Dinsmore Brook
  • Comments accepted through 2/7/08  
    Beaver Brook
    View Map
    Chloride Derry and Londonderry Road Salt
  • Public Comment Notice
  • Data Quality Audit
  • Data Report
  • Data Report Appendices
  • Draft Chloride TMDL for Beaver Brook
  • Comments accepted through 2/7/08  
    Acid Impaired Lakes pH Statewide Atmospheric deposition of NOx and SOx
  • EPA's Review and Approval for 158 Acid Lake TMDLs
  • EPA's Review and Approval of 114 Acid Beach TMDLs
  • Final TMDL Report for 158 Acid Impaired Ponds
  • Appendices to the Final TMDL Report for 158 Acid Impaired Ponds
  • Final TMDL Report Approved by EPA
  • Final TMDL Report Approved by EPA - Appendix A
  • EPA's Review and Approval for 45 Acid Lake TMDL's
  • EPA's Review and Approval for 20 Acid Lake TMDL's
  • EPA’s Review and Approval of 11 Acid Impaired Beaches
  • EPA’s Review and Approval of 10 Acid Impaired Beaches
  • 09/20/07
    11/21/07



    10/4/04
    158 Lakes
    114 Beaches




    65 Lakes
    21 Beaches
    Ashuelot River
    View Map
    Dissolved Oxygen Keene to West Swanzey CBOD, Ammonia, Phosphorous Under Development    
    South Branch Ashuelot River
    View Map
    Dissolved Oxygen Troy to Swanzey CBOD Under Development    
    Beach Bacteria TMDLs Bacteria Washington, Troy, Nottingham Bacteria
  • Mill Pond Town Beach Final TMDL Approved by EPA
  • EPA's Review and Approval of the Mill Pond Town Beach Bacteria TMDL
  • Sand Dam Village Pond Final TMDL Approved by EPA
  • EPA's Review and Approval of the Sand Dam Village Pond Beach Bacteria TMDL
  • 12/13/2006

     


    11/08/2006

    1

     


    1

    Cocheco River
    View Map
    Dissolved Oxygen Farmington to Rochester CBOD Under Development    
    Contoocook River
    View Map
    Dissolved Oxygen Jaffrey to Peterborough CBOD Draft TMDL Report with appendices Comments accepted through 7/28/2006  
    Contoocook River
    View Map
    Dissolved Oxygen Peterborough to Antrim CBOD Under Development    
    Hampton Harbor
    View Maps
    Bacteria Hampton and Seabrook Bacteria
  • Final TMDL
    Approved by EPA

  • EPA's Review and Comments of the Hampton Harbor TMDL Report

  • EPA's Approval of 2 TMDL's

  • EPA's Second Approval of 8 Additional TMDL's
  • 9/29/03 10
    Lamprey River
    View Map
    Dissolved Oxygen and Phosphorous Epping CBOD, Ammonia, Phosphorous Final TMDL
    Approved by EPA
    2/17/00 3
    Little Harbor
    View Map
    Bacteria Newcastle & others Bacteria
  • Final TMDL Approved by EPA
  • EPA’s Review and Approval of the Little Harbor TMDL Report
  • 8/25/06 2
    Lower Sugar River
    View Map
    Dissolved Oxygen Lower portion, Claremont CBOD, Ammonia, Phosphorous Final TMDL
    Approved by EPA
    9/29/00 2
    Regional Mercury Loading Mercury in Fish Tissue Regional TMDL Mercury
  • EPA's Review and Approval of the Northeast Regional Mercury TMDL
  • FINAL Northeast Regional Mercury TMDL Report
  • Fact Sheet for the Draft Northeast Regional Mercury TMDL
  • 12/21/07 5,124
    Salmon Falls River
    View Map
    Dissolved Oxygen and Phosphorous Downstream of Somersworth CBOD, Ammonia, Phosphorous Final TMDL
    Approved by EPA
    11/22/99 6
    Williams Brook
    View Maps
    Iron Northfield Iron Final TMDL
    Approved by EPA
    9/24/02 1

     

     



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