1. Putting Dams in Order A Program for Comprehensive Identification and Prioritization of Dam Management Actions Cathy Marcinkevage AECOM Environment EBC Dam Program Series: Dam Removal and River Restoration July 16, 2009

2. Don Kretchmer, Matt Kennedy, Theresa McGovern AECOM Environment Chad Cox GZA GeoEnvironmental, Inc. Jason Benoit Massachusetts Department of Conservation and Recreation

3. 3 AECOM Environment File name Introduction Massachusetts Department of Conservation and Recreation dam inventory: ~300 dams DCR-owned Dams

4. 4 AECOM Environment File name Objective Prioritize Capital Repairs DamMAP Dam Multi-Use Assessment Project Screening-level prioritization methodology Enhancement Actions Repair and Maintenance Hydropower Retrofit Fish Passage Removal Recreation

5. 5 AECOM Environment File name Matrix Development Office of Dam Safety Database Formal Dam Safety Inspection Reports; Database Data

6. 6 AECOM Environment File name Matrix Development GIS Data

7. 7 AECOM Environment File name GIS Data Queries with other layers to find out if the dam or impoundment is… …in a stressed basin?Mass DEP Stressed Basin …impaired for water quality?Integrated List of Waters (303(d) /305(b)) …historically significant?State Register of Historic Places …in an urban watershed?MassGIS Land Use …in sensitive habitat? ACEC, NHESP Priority Habitats of Rare Species and Core Habitats Matrix Development DATA DAM CHARACTERISTICS

8. 8 AECOM Environment File name Matrix Development Agency and Outside Consultation

9. 9 AECOM Environment File name Matrix Evaluation Risk | Human Uses & Services | Environmental Effects Engineering risk Probability of failure Consequences of failure = * Developed by GZA GeoEnvironmental, Inc. Dam Risk IndexAge Spillway CapacityCondition Hazard Classification Downstream Risks Crooked Pond Dam7031100%GoodSignificantLight Population Centennial Dam24801539%PoorHighCritical Area

10. 10 AECOM Environment File name Risk | Human Uses & Services | Environmental Effects Commercial/ Industrial Societal Public Safety Recreation Dam Lake Species in Impoundment Park Fishing Area F&W Bass Fishing Area Lake Fishing Score Bass Lake DamYes 10 No Fish DamNo 0 Matrix Evaluation DamHistoric SiteWithin Historic DistrictHistoric Score Historic DamYes 10 Modern DamNo 0

11. 11 AECOM Environment File name Risk | Human Uses & Services | Environmental Effects Ecological Function Habitat Instream Flow Dam Anadromous Species in Watershed Passage Structure Rating Barriers to Anadromous Fish Passage Fish Passage Score Barrier DamYesIneffectiveBarrier10 Freeflowing DamYesEffectiveNo Barrier0 Matrix Evaluation Dam % Urban > 10% % Urban > 25% Dam Height > 5 ft Dam Height > 15 ft Sediment Quantity Score Large Storage DamYes 10 Small Storage DamYesNoYesNo7 Degradation Biodiversity

12. 12 AECOM Environment File name Priority Lists for Enhancement Actions Aquatic Habitat Fish Passage Impact Flood Control Flow Augmentation Potential Habitat Fragmentation Impact Lake Fisheries Migratory Fish Impact Minimum Flow Requirements Public/Private Abutter Issues Risk Index Riverine Fisheries Sediment Quality Sediment Quantity Thermal Impacts Threatened & Endangered Species Wetlands Aquatic Habitat Fish Passage Impact Flow Augmentation Potential Historic Value Hydropower Potential Lake Fisheries Lake Fishing Migratory Fish Impact Minimum Flow Requirements Public/Private Abutter Issues Risk Index River Boating River Fishing Riverine Fisheries Wetlands Repair and Maintenance Hydropower Retrofit Fish Passage Removal Recreation

13. 13 AECOM Environment File name Priority Lists for Enhancement Actions Dam RM1 Dam RM2 Dam RM3 Dam RM4 Dam RM5 Dam RM6 Dam RM7 Dam RM8 Dam RM9 Dam RM10 Repair and Maintenance Hydropower Retrofit Fish Passage Removal Recreation Dam Re1 Dam Re2 Dam Re3 Dam Re4 Dam Re5 Dam Re6 Dam Re7 Dam Re8 Dam Re9 Dam Re10 Dam Pass1 Dam Pass2 Dam Pass3 Dam Pass4 Dam Pass5 Dam Pass6 Dam Pass7 Dam Pass8 Dam Pass9 Dam Pass10 Dam Hyd1 Dam Hyd2 Dam Hyd3 Dam Hyd4 Dam Hyd5 Dam Hyd6 Dam Hyd7 Dam Hyd8 Dam Hyd9 Dam Hyd10 Dam Rec1 Dam Rec2 Dam Rec3 Dam Rec4 Dam Rec5 Dam Rec6 Dam Rec7 Dam Rec8 Dam Rec9 Dam Rec10

14. 14 AECOM Environment File name Removal Candidate Characteristics High Risk Riverine Fisheries Potential Impede Fish Passage Fragment Habitat Small Impoundments Minimum Flow Deficiencies No Flood Control No Water Supply

15. 15 AECOM Environment File name Secondary Outputs Dam Groups Low-head, High-hazard Condition Passage Data Needs Collection Updates Stakeholder Identification

16. 16 AECOM Environment File name Applications