BMP Service Life Estimates (GRTS)

Description Service Life (yrs) Source Access Road 10 NRCS Added by Migration -- Agricultural Fuel Containment Facility 25 - Agro forestry Planting 15 - Agro Tillage 1- Agrochemical Mixing Facility 20 - Agrochemical Mixing Station, Portable 20 - Air Management 10 - Alley Cropping (ac.) 15 NRCS Alternative Septic System 0- Alternative Water Sources 0- Alum Injection Treatment Facility 25 Florida DEP Alum Treatment of Poultry Litter 1- Anaerobic Digester - Ambient Temperature 25 NRCS Anaerobic Digester - Controlled Temperature 25 NRCS Animal Mortality Facility 15 NRCS Animal Trails and Walkways 10 NRCS Anion Polyacrylamide (PAM) Erosion Control 10 NRCS Anoxic Limestone Drain 10 - Aquaculture Ponds 20 NRCS Atmospheric Resources Quality Management 1- Baffle Boxes 0- Barnyard Runoff Management 10 - Bedding 3 NRCS Bilge Socks 0- Brush Management 10 NRCS Camp Road Crowning/ Ditching 15 - Catch Basin 0- Catch Basin - Oil 0- Catch Basin - Sand 0- Catch Basin Cleaning -- Catch Basin Treatment System Inserts -- Catch Basin Vacuum Truck or Unit -- Catch Basin-Leaching 15 - Channel Bank Vegetation 10 NRCS Check Dam 15 - Cistern 15 - Clearing & Snagging 5 NRCS Closure of Waste Impoundments 15 NRCS Coastal Wetland Vegetation Establishment 10 - Composting Facility 15 NRCS

Comprehensive Nutrient Management Plan (CNMP) 1- Concrete Grid 0- Conservation Cover 3 NRCS Conservation Crop Rotation 1 NRCS Conservation Easements 15 - Conservation Tillage 1 NRCS Constructed Wetland 15 NRCS Constructed Wetland Aerobic 10 - Constructed Wetland Anaerobic 10 - Contour Buffer Strips 10 NRCS Contour Farming 1 NRCS Contour Orchard and Other Fruit Area 10 NRCS Controlled Drainage 0- Controlled Livestock Lounging Area 10 - Controlled Stream Access for Livestock Watering 15 - Corral Dust Control 3- Cover Crop 1 NRCS Critical Area Planting 10 NRCS Cross Slope Block Farming 1- Cross Slope Farming 1- Cross Wind Ridges 5 NRCS Cross Wind Stripcropping (ac) 0- Cross Wind Trap Strips 5 NRCS Culvert Armoring 10 - Cut Bank Stabilization 10 - Dam 15 NRCS Dam - Multiple Purpose -- Dam, Diversion 15 NRCS Deep Tillage 3 NRCS Dike 20 NRCS Ditch Stablilization 0- Diversion 10 NRCS Drainage Water Management 10 NRCS Dredging -- Dry Hydrant 15 NRCS Dune Stabilization 10 -

Early Successional Habitat Development/Management 15 NRCS Evaporate Cooling Pads 10 - Ext Detention Pond 0- Feed Management 1 NRCS Fence 20 NRCS Field Border 10 NRCS Field Windbreak 0- Filter Strip 10 NRCS Filtration Basin 0- Firebreak 10 NRCS Fish Passage 15 NRCS Fish Raceway or Tank 10 NRCS Fishpond Management 1 NRCS Floodproofing 25 - Floodwater Diversion 0- Floodway 0- Forage Harvest Management 5 NRCS Forest - Direct Seeding 0- Forest - Erosion Control 0- Forest - Improved Harvest 0 NRCS Forest - Land Management 0 NRCS Forest Site Preparation 1 NRCS Forest Stand Improvement 10 NRCS Forest Trails & Landings 5 NRCS Furrow Diking 10 - Grade Stabilization Structure 15 NRCS Grade Stabilization Structure - Tire Bales 15 - Grassed Swale 0- Grassed Waterway 10 NRCS Grasses/Legumes Rotation 0- Grazing - Deferred -- Grazing Land Mechanical Treatment 5 NRCS Grazing Planned Systems -- Green Roof System -- Green Screen 40 - Green Wall 15 - Heavy Use Area Protection 10 NRCS Hedgerow Planting 15 NRCS Herbaceous Wind Barriers 5 NRCS High Residue Management 15 - Hillside Bench 10 - Hillside Ditch 10 NRCS Hydro Seeder -- Improved Water Application 1- Incinerator 15 - Infiltration Basin 0- Infiltration Ditches 15 - Infiltration Trench 0- In-lake alum treatment 8 FL DEP, WI DNR Invasive Species/Noxious Weed Control 0- Irrigation - Regulating Reservoir 0- Irrigation Canal or Lateral 15 NRCS Irrigation Ditch/Canal 0- Irrigation Field Ditch 15 NRCS Irrigation Land Leveling 15 NRCS Irrigation Pipeline 0 NRCS Irrigation Pit 0- Irrigation Regulating Reservoir 15 NRCS Irrigation Storage Reservoir 15 NRCS Irrigation System-Microirrigation 10 NRCS Irrigation System-Sprinkler 15 NRCS Irrigation System-Surface & Subsurface 15 NRCS Irrigation System-Tailwater Recovery 20 NRCS Irrigation Water Conveyance ? Ditch and Canal Lining ? Flexible Membrane 15 NRCS Irrigation Water Conveyance ? Ditch and Canal Lining ? Galvanized Steel 20 NRCS Irrigation Water Conveyance ? Ditch and Canal Lining ? Non-reinforced Concrete 20 - Irrigation Water Conveyance ? Modular Polyethylene Ditch and Canal Lining 10 - Irrigation Water Conveyance ? Pipeline ? Aluminum Tubing 20 NRCS Irrigation Water Conveyance ? Pipeline ? Asbestos- Cement 15 NRCS Irrigation Water Conveyance ? Pipeline ? High-pressure, Underground, Plastic 25 NRCS Irrigation Water Conveyance ? Pipeline ? Low-pressure, Underground, Plastic 25 NRCS Irrigation Water Conveyance ? Pipeline ? Non-reinforced Concrete 25 NRCS Irrigation Water Conveyance ? Pipeline ? Reinforced Plastic Mortar 25 NRCS Irrigation Water Conveyance ? Pipeline ? Rigid Gated Pipeline 15 - Irrigation Water Conveyance ? Pipeline ? Steel 25 NRCS Irrigation Water Management 1 NRCS Isolation/Containment Curtains 1 EPA R5 Lake Aeration 5- Lake Stabilization - Natural 15 EPA R5 Lake Stabilization - Structural 25 EPA R5 Land Clearing 10 NRCS Land Grading 10 - Land Reclamation 0- Land Reclamation, Landslide Treatment 15 NRCS Land Reclamation, Toxic Discharge Control 15 NRCS Land Reconstruction, Abandoned Mined Land 15 NRCS Land Reconstruction, Brine Damaged Areas 15 - Land Reconstruction, Currently Mined Land 15 NRCS Land Shaft & Adit Closing 0- Land Smoothing 10 NRCS Land Subsidence Treatment 0- Law Enforcement - ATVs 15 - Limestone Doser 10 - Limestone Leach Bed/Pond 10 - Limestone Open Channel 10 - Limestone Sanding 10 - Lined Waterway or Outlet 15 NRCS Livestock Cooling Pond 15 - Livestock Feedlot Relocation -- Livestock Shade Structure 10 - Livestock Stream Crossing 0- Livestock Use Area Protection 10 - Long Term No-Till 1- Manure Transfer 10 NRCS Milking Center Wastewater Treatment System 15 - Mine Shaft & Adit Closing 15 NRCS Mole Drain 5 NRCS Monitoring Well 15 NRCS Mulching 1 NRCS

Native Plant Community Restoration and Management 5- Natural Channel Restoration 0- Nursery Substrate 10 - Nutrient Management 1 NRCS Obstruction Removal 10 NRCS Oil and Grit Separator -- Onsite Waste Water Treatment System (centralize) 10 -

Onsite Waste Water Treatment System (New/Existing) 10 - Onsite Waste Water Treatment System (pumpout) 10 - Onsite Wastewater Treatment System Projects -- Open Channel 15 NRCS Outreach And Education 5- Passive Treatment 10 - Pasture & Hayland Management 0- Pasture & Hayland Planting 10 NRCS Pathogen Management 1- Pest Management 1 NRCS Pesticide Management 0- Pet Waste Management 1- Pipeline 20 NRCS Planned Grazing System 5- Planter Boxes 10 - Pollution Retention Reservoir 20 - Pond 20 NRCS Pond - Construction 0- Pond Sealing or Lining 0- Pond Sealing or Lining - Bentonite Sealant 15 NRCS Pond Sealing or Lining - Flexible Membrane 20 NRCS Pond Sealing or Lining - Soil dispersant 20 NRCS Porous Pavement 30 - Pothole - Wetland for Wildlife 10 - Precision Land Forming 10 NRCS Prescribed Burning 5 NRCS Prescribed Grazing 5 NRCS Pumped Well Drain 0- Pumping Plant 15 NRCS Raingarden/ bioretention basin 8- Range Planting 10 NRCS Rangeland Fertilization 3- Record Keeping 1- Recreation Area Improvement 15 NRCS Recreation Land Grading & Shaping 15 NRCS Recreation Trail & Walkway 15 - Reduce in-lake total phosphorus 0- Residue Management - Direct Seed 1- Residue Management, Mulch till 1- Residue Management, No-till & Strip Till 1- Residue Management, Ridge Till 1- Residue Management, Seasonal 1 NRCS

Restoration And Management of Declining Habitats 15 NRCS Restoration of Compacted Soils 5- Rinsate Management 1- Rinse Water Control 15 - Riparian Buffers - Vegetative 15 - Riparian Forest Buffer 15 NRCS Riparian Herbaceous Cover 10 NRCS Riprap Shoreline 15 - Road Ditch Creation/ Improvements 15 - Road/Landing Removal 10 - Rock Barrier 10 NRCS Roof Runoff Management 15 NRCS Row Arrangement 5 NRCS Runoff Management System 15 NRCS Salt or Deicer Storage Facility -- Sand Dosing (All Types) 2- Sediment Basin 20 NRCS Sediment Collector 10 EPA R5 Sediment Forebay 15 - Seeding (Re- Vegation) 15 - Shallow Water Management for Wildlife 10 NRCS Silage Leachate Collection and Transfer 15 - Silvopasture Establishment 5 Other Silvopasture Management 3- Sinkhole and Sinkhole Area Treatment 10 - Slope Roughening 1- Snow Fence 10 - Snow Harvesting 15 - Soil Salinity Control 5- Soil Salinity Management-Non-irrigated 1- Spoil Spreading 1 NRCS Spring Development 10 NRCS Steel Slag Treatment 10 -

Storm Water Wet Detention/Chemical Treatment System 20 - Stormwater Wetland 0- Stream Aeration 3- Stream Channel Restoration (Dam removal) -- Stream Channel Restoration (stream bed) 25 - Stream Channel Stabilization 10 NRCS Stream Corridor Improvement 15 - Stream Crossing 10 NRCS Stream Exclusion with Grazing Land Management -- Stream Habitat Improvement and Management 10 NRCS Streambank & Shoreline Protection 20 NRCS Street Sweeper -- Strip - Intercropping 5- Stripcropping 5 NRCS Stripcropping - Field 0- Stripcropping - Wind 0- Structure for Water Control 20 NRCS Subsurface Drain 20 NRCS Sulfate Reducing Bioreactor 10 - Surface Drainage, Field Ditch 15 NRCS Surface Drainage, Main or Lateral 15 NRCS Surface Flooding of Organic Soils 1- Surface Roughening 1 NRCS Surface Wetting 1- Tank/ Trough 15 - Temporary Steel Windbreak 5- Terrace 10 NRCS Toxic Salt Reduction 3 NRCS Trail Closure 15 - Transition to Organic Production 3- Trash Trap 15 FL DEP Tree/Shrub Establishment 15 NRCS Tree/Shrub Pruning 10 NRCS Two (2) Stage Ditches 10 - Underground Outlet 20 NRCS Unknown - will be provided upon implementation 0- Upland Wildlife Habitat Management 1 NRCS Use Exclusion 10 NRCS Vacuum Street Sweeping -- Variable Application Rate Technology 15 - Vegetated Filter 0- Vegetated Sinkhole Buffer 10 - Vegetated Swales 10 - Vegetative Barrier 5 NRCS Vegetative Buffer Strips 10 - Vertical Drain 10 NRCS Vertical Flow Treatment System 10 - Vortech Units 15 - Waste Facility Cover 25 NRCS Waste Field Storage Area 10 - Waste Management System 0- Waste Storage Facility 15 NRCS Waste Storage Pond 0- Waste Treatment Lagoon 15 - Waste Utilization 1 NRCS Waste Water Irrigation 1- Wastewater and Feedlot Runoff Control 15 - Wastewater Treatment Strip 15 NRCS Water & Sediment Control Basin 10 NRCS Water Bars 10 - Water Harvesting Catchment 10 NRCS Water Quality Monitoring 1- Water spreading 15 NRCS Water Table Control 0- Water Well 20 NRCS Watering Facility 10 NRCS Watershed Management Plan 0- Well Decommissioning 20 NRCS Well Plugging 20 - Well Sealing -- Wet Pond 0- Wetland Acquisition-protection 0- Wetland Acquisition-protection -- Wetland Creation 15 NRCS Wetland Enhancement 15 NRCS Wetland Restoration 15 NRCS Wetland Wildlife Habitat Management 1 NRCS Wildlife Watering Facility 5- Wind Barrier - Herbaceous 0- Windbreak/Shelterbelt Establishment 15 NRCS Windbreak/Shelterbelt Renovation 15 NRCS Woodland Pruning 5- Youth Conservation Corps 15 -