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Clean Watersheds Needs Survey

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2012 Report & Data
Detail Report


CWNS 2012 Data and Reports	This site is best viewed with IE 9, Google Chrome and Mozilla Firefox.	Data Dictionary	Help


Maps Data Dashboard Technical Data Facility FactSheets Summary Report Detail Report Data Downloads Detail reports display selected CWNS data for chosen geographic areas. The output is displayed in tables which can be exported as csv files.

1. Select Data Area of Interest

* Cannot be combined with other data areas.

CWNS 2012 reports unit process data that was (1) submitted voluntarily during CWNS 2012 and not quality assured by EPA; and (2) submitted and quality assured during CWNS 2008. Data last updated after April 2011 is from CWNS 2012; data last updated prior to September 2009 is from CWNS 2008. This data set contains unit process data for 4376 facilities.

2. Select Geographic Area of Interest

For state-, regional-, or national-level summaries, select "Nation", EPA region or State(s) and click on 'Run Report' button.

EPA Region:

State: (Hold down the Ctrl key to select more than one state)

(South Carolina (SC) and Northern Mariana Islands (MP) did not participate in CWNS 2012. National summaries of technical data include data from CWNS 2008 for SC and MP.)

For watershed-, county-, or Congressional District-level summaries, first select one State. Then select one of the following: watershed, county, or Congressional District. Click map or list to select areas. Click on 'Run Report' button.

Selected Watershed or County or Congressional District

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3. Select Treatment Technologies (Unit Processes) of Interest*

* If no unit process is selected, then report is displayed for all unit processes.

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No State Selected
AK - Alaska
AL - Alabama
AR - Arkansas
AS - American Samoa
AZ - Arizona
CA - California
CO - Colorado
CT - Connecticut
DC - District of Columbia
DE - Delaware
FL - Florida
GA - Georgia
GU - Guam
HI - Hawaii
IA - Iowa
ID - Idaho
IL - Illinois
IN - Indiana
KS - Kansas
KY - Kentucky
LA - Louisiana
MA - Massachusetts
MD - Maryland
ME - Maine
MI - Michigan
MN - Minnesota
MO - Missouri
MS - Mississippi
MT - Montana
NC - North Carolina
ND - North Dakota
NE - Nebraska
NH - New Hampshire
NJ - New Jersey
NM - New Mexico
NV - Nevada
NY - New York
OH - Ohio
OK - Oklahoma
OR - Oregon
PA - Pennsylvania
PR - Puerto Rico
RI - Rhode Island
SD - South Dakota
TN - Tennessee
TX - Texas
UT - Utah
VA - Virginia
VI - Virgin Islands
VT - Vermont
WA - Washington
WI - Wisconsin
WV - West Virginia
WY - Wyoming

Absorbant Bilge Pads/Biodegradable Pads
Access Road (FT) (560)
Acquire Wetlands/Riparian Areas
Activated Carbon, Granular
Activated Carbon, Other
Activated Carbon, Powdered
Activated Sludge, Anaerobic/Anoxic
Activated Sludge, Anaerobic/Anoxic/Oxic
Activated Sludge, Complete Mix
Activated Sludge, Contact Stabilization
Activated Sludge, Conventional
Activated Sludge, Extended Aeration
Activated Sludge, High Rate
Activated Sludge, Other Mode
Activated Sludge, Oxic
Activated Sludge, Pure Oxygen
Activated Sludge, Step Aeration
Activated Sludge, With Biological Denitrification
Activated Sludge, with Phosphorus Removal
Adequate Disposal Facilities For Solid Waste
Adit Closures
Advanced Treatment (Other)
Aerated Grit Chambers
Aeration
Aeration (Post-treatment)
Aeration (Pre-treatment)
Aerobic Unit
Alley Cropping
Ammonia Stripping
Animal Trails and Walkways (AC) (575)
Aquatic Habitat Assessment
Bedding (AC) (310)
Biological Denitrification
Biological Nutrient Removal
Biological Nutrient Removal (BNR) - Aeration
Biological Nutrient Removal (BNR) Membrane Bio-Reactor (MBR)
Biological Nutrient removal (BNR) - Other
Biosolids (Heat Treatment-Blowers)
Biosolids (Recalcination)
Biosolids Aerated Storage
Biosolids Aerobic Digestion, Air
Biosolids Aerobic Digestion, Autothermal Thermophilic
Biosolids Aerobic Digestion, Autothermal Thermophilic Oxygen
Biosolids Aerobic Digestion, Oxygen
Biosolids Air Drying
Biosolids Air Drying, Other Media
Biosolids Air Drying, Sand Beds
Biosolids Anaerobic Digestion, Mesophilic
Biosolids Anaerobic Digestion, Other
Biosolids Anaerobic Digestion, Thermophilic
Biosolids Cake Storage Hopper
Biosolids Chemical Addition (Alum)
Biosolids Chemical Addition (Ferric Chloride)
Biosolids Chemical Addition (Other)
Biosolids Chemical Addition (Polymer)
Biosolids Chlorinate Oxidation (Purifax)
Biosolids Co-Incineration With Solid Waste
Biosolids Co-Pyrolysis With Solid Waste
Biosolids Composting, In-Vessel
Biosolids Composting, Other
Biosolids Composting, Static Pile
Biosolids Composting, Window
Biosolids Digestion, Other
Biosolids Digestor Gas Flaring
Biosolids Digestor Gas Utilization Facilities
Biosolids Disposal (Monofil)
Biosolids Disposal (Ocean)
Biosolids Disposal (Other)
Biosolids Disposal (Waste Receiving Station)
Biosolids Distribution And/Or Marketing of Biosolids
Biosolids Elutriation
Biosolids Freezing
Biosolids Heat Drying
Biosolids Heat Recovery and Utilization
Biosolids Incineration (Other)
Biosolids Incineration, Fluidized Bed
Biosolids Incineration, Multiple Hearth
Biosolids Incineration, Rotary Kiln
Biosolids Lagoon
Biosolids Land Application (Spreading)
Biosolids Land Costs (Landfill)
Biosolids Land Costs (Storage)
Biosolids Landfill (Interim or Final Cover, MSW)
Biosolids Landfill, daily burial (MSW)
Biosolids Landfill/Trenching
Biosolids Lime Stabilization
Biosolids Mechanical Dewatering (Centrifuge)
Biosolids Mechanical Dewatering (Filter Press)
Biosolids Mechanical Dewatering (Other)
Biosolids Mechanical Dewatering (Pressure Filter)
Biosolids Mechanical Dewatering (Vacuum Filter)
Biosolids Other Dewatering
Biosolids Other Treatment
Biosolids Pyrolysis
Biosolids Recalcination
Biosolids Surface Disposal, Lined Facility
Biosolids Surface Disposal, Unlined Facility
Biosolids Thickening, Dissolved Air Flotation
Biosolids Thickening, Gravity
Biosolids Thickening, Other
Biosolids Thickening, tank
Biosolids Vibration
Biosolids Wet Air Oxidation
Brush Management (AC) (314)
Buffer Strips
Bulkheading
Carbon Regeneration
Catch Basin Inserts
Channel Vegetation (AC) (322)
Chemical Addition
Chemical Addition (Alum), Primary
Chemical Addition (Alum), Secondary
Chemical Addition (Alum), Tertiary
Chemical Addition (Ferric Chloride), Primary
Chemical Addition (Ferric Chloride), Secondary
Chemical Addition (Ferric Chloride), Tertiary
Chemical Addition (Ferrous Sulfate), Primary
Chemical Addition (Other)
Chemical Addition (Other), Primary
Chemical Addition (Other), Secondary
Chemical Addition (Polymer)
Chemical Addition (Polymer), Secondary
Chemical Addition (Sodium Hydroxide)
Chemical Addition (Sodium Hypochlorite)
Chemical Addition - Coagulants
Chemical addition (Phosphorus), Secondary
Chiseling and Subsoiling (AC) (324)
Clarification, In-Channel
Clarification, Intermediate
Clarification, Other
Clarification, Secondary
Clarification, Tube Settlers
Clearing and Snagging (FT) (326)
Commercial Fishponds (AC) (397)
Comminution
Composting Facility (NO.) (317)
Concrete Mixing Pad
Conservation Cover (AC) (327)
Conservation Crop Rotation (AC) (328)
Constructed Wetlands
Constructed Wetlands (Resource Extraction)
Construction Entrance
Contour Orchard and Other Fruit Area (AC) (331)
Controlled Drainage (AC) (335)
Cover Or Stabilize Topsoil Stockpiles
Cover and Green Manure Crop (AC) (340)
Critical Area Planting (AC) (342)
Cross Wind Ridges (AC) (589A)
Cross Wind Stripcropping (AC) (589B)
Cross Wind Trap Strips (AC) (589C)
Dam, Diversion (NO.) (348)
Dam, Floodwater Retarding (NO. AND AC-FT) (402)
Dam, Multiple-Purpose (NO. AND AC-FT) (349)
Dechlorination
Dechlorination, Bisulphite
Dechlorination, Other
Dechlorination, Sulphur Dioxide
Design/Install Constructed Wetlands
Design/Install Infil Sys (Swales, Filter Strips)
Detention Berms
Develop&Implement Spill Prevention & Control Plan
Dewatering assc. w/Grit Removal
Dike (FT) (356)
Disinfection Hypochlorite Bisulfite
Disinfection, Breakpoint Chlorination
Disinfection, Chlorination
Disinfection, Chlorine Dioxide
Disinfection, Gaseous Chloride
Disinfection, Liquid Chloride
Disinfection, Other
Disinfection, Other Chemical
Disinfection, Ozonation
Disinfection, Sodium Hypochlorite
Disinfection, UV Radiation
Disinfection, Ultraviolet
Disinfection, wet Weather
Distillation
Diversion (FT)(362)
Diversions
Drainage (Subsurface) (Feet) (606)
Drainage (Surface, Field Ditch) (Feet) (607)
Drainage (Surface, Main or Lateral) (Feet) (608)
Dry Detention Practices
Duckweed (Lemna)
Duckweed (Other)
Duckweed (Spirodela)
Duckweed (Wolffia)
Dustless/Vacuum Sanders
Enhanced Nutrient Removal (ENR)
Equalization, Flow
Equalization, at POTW
Erosion Control (Contour Buffer Strips) (Acres) (332)
Erosion Control (Contour Farming) (Acres) (330)
Erosion Control Blanket
Evaporation
Evapotranspiration Bed
Extended Detention Ponds
Extended Dry Detention Practices
Fence (FT) (382)
Field Border (FT) (386)
Filter
Filter (Activated Bio-)
Filter (Gravity Sand Beds, single media)
Filter (Sand-Intermittent)
Filter (Sand-Recirculating)
Filter (Sand/Gravel-Pretreatment)
Filter Fabric Fence
Filter Strip (AC) (393A)
Filter, Anaerobic
Filter, Denitrification with Coarse Media
Filter, Denitrification with Fine Media
Filter, Mixed Media
Filter, Moving Bed
Filter, Other
Filter, Pressure
Filter, Rapid Sand
Filter, Rock
Filter, Slow Sand
Filtration Basins And Sand Filters
Fire Management
Firebreak (FT) (394)
Fish Raceway or Tank (M, FT and M3/S, FT3/S) (398)
Fish Stream Improvement (FT) (395)
Fishpond Management (NO.) (399)
Flocculation
Floodwater Diversion (FT) (400)
Floodway (FT) (404)
Flotation
Foam Fractionation
Forage Harvest Management (AC)(511)
Forest Chemical Management
Forest Harvest Trails and Landings (AC) (655)
Forest Site Preparation (AC) (490)
Forest Stand Improvement (AC) (666)
Forestry Operations In Wetlands
Freesurface/Wetland (Marsh System)
Freezing
Gas-Phase Separation
Grade Stabilization Structure (NO.)(410)
Grassed Swales
Grassed Waterway (AC) (412)
Grazing Land Mechanical Treatment (AC) (548)
Grinder Pump- Low Pressure Sewer
Grit Removal
Groins, Breakwaters, Wave Attenuators
Growth Process, Other Attached
Growth Process, Other Suspended
Heavy Use Area Protection (AC) (561)
Hedgerow Planting (FT) (422)
Herbaceous Wind Barriers (FT) (422A)
Hillside Ditch (FT) (423)
Holding Tank
Imhoff Tank
Infiltration Basins
Infiltration Trenches
Ion Exchange
Irrig H2O Conv (FT) Ditch&Can Lin Flex Mem (428B)
Irrig H2O Conv (FT) Ditch&Can Lin Gal Steel (428C)
Irrig H2O Conv (FT) Ditch&Can Lin Nonrf Con (428A)
Irrig H2O Conv (FT), Pipe, Aluminum Tub (430AA)
Irrig H2O Conv (FT), Pipe, HP, Udg Plastic (430DD)
Irrig H2O Conv (FT), Pipe, LP, Udg Plastic (430EE)
Irrig H2O Conv, Pipe, Nonreinf Concrete (430CC)
Irrig H2O Conv, Pipe, Rigid Gated Pipe (430HH)
Irrig H2O Conv, Pipe, Steel (430FF)
Irrigat. Canal or Lateral (FT) (320)
Irrigat. Field Ditch (FT) (388)
Irrigat. Land Leveling (AC) (464)
Irrigat. Pit/Reg. Reserv.(NO), Irrigat. Pit (552A)
Irrigat. Pit/Reg. Reserv.(NO), Reg. Reserv. (552B)
Irrigat. Storage Reserv. (NO. ANDAC-FT) (436)
Irrigat. Sys. (NO.+AC), Sprinkler (442)
Irrigat. Sys. (NO.+AC), Surface/Subsurface (443)
Irrigat. Sys., Tailwater Recovery (NO.) (447)
Irrigat. System (NO. AND AC), Trickle (441)
Irrigation Water Management (AC)(449)
Lagoon
Lagoon, Aerated
Lagoon, Anaerobic
Lagoon, Facultative
Lagoon, Gas Utilization
Lagoon, Natural (Large Area)
Lagoon, Other
Lagoon, Polishing
Land Acquisition
Land Application, Other
Land Application, Slow Rate, W/O Underdrain
Land Application, Slow Rate, With Underdrain
Land Clearing (AC) (460)
Land Recl, Fire Control (NO.) (451)
Land Recl, Highwall Treat (NO. AND M, FT) (456)
Land Recl, Landslide Treat (NO. AND HA, AC) (453)
Land Recl, Shaft and Adit Closing (NO.) (452)
Land Recl, Subsidence Treatment (HA, AC) (454)
Land Recl, Toxic Discharge Control (NO.) (455)
Land Recon, Abandoned Mined Land (AC) (543)
Land Recon, Currently Mined Land (AC) (544)
Land Smoothing (AC) (466)
Land Treatment
Landfill Cap
Leach Field (Multiple Unit with Soil Absorption)
Leach Field (Standard)
Leachate Collection System
Lime Treatment
Lime Treatment, Other
Lime Treatment, Single Stage Primary
Lime Treatment, Single Stage Tertiary
Lime Treatment, Two Stage Primary
Lime Treatment, Two Stage Tertiary
Lined Waterway or Outlet (FT) (468)
Manure Transfer (NO) (634)
Mechanical Dewatering
Membrane Process (Dialysis)
Membrane Process (Electrodialysis)
Membrane Process (Other)
Membrane Process (Reverse Osmosis)
Methane Generation
Microstrainer, Primary
Microstrainer, Secondary
Mine Shaft and Adit Closing (NO) (457)
Mole Drain (FT) (482)
Mound System
Mulch/Mats
Mulching (AC) (484)
Neutralization
Nitrification, Biological (Combined and BOD Reduction)
Nitrification, Biological (Other)
Nitrification, Biological (Separate Stage)
Nutrient Management (AC) (590)
Obstruction Removal (AC) (500)
Oil Containment Booms
Open Channel (FT) (582)
Other Non-Centralized Treatment
Overland Flow System
Package Plant (Other)
Package Plant, Rotating Biological Contractor (RBC)
Pasture and Hay Planting (AC) (512)
Permanent Vegetative Cover
Pervious Pavements
Pest Management (AC) (595A)
Phosphorus Removal, Biological
Phosphorus Removal, Biological (Modified Bardenpho)
Phosphorus Removal, Biological (Other)
Phosphorus Removal, Biological (Phostrip)
Phosphorus Removal, Chemical
Pipeline (FT) (516)
Plant Closure Costs
Pond (NO.) (378)
Pond Sealing/ Soil Dispersant (521B)
Pond Sealing/Asphalt-Sealed Fabric Liner (521E)
Pond Sealing/Bentonite Sealant (521C)
Pond Sealing/Cationic Emul-Waterborne Seal (521D)
Pond Sealing/Flexible Membrane (521A)
Pond, Stabilization
Pond, Total Containment
Ponds/Basins
Porous Pavement
Precision Land Forming (AC) (462)
Preharvest Planning
Prescribed Burning (AC) (338)
Prescribed Grazing (AC) (528A)
Properly Store, Apply & Dispose Of Petrol. Product
Pump Stations
Pumped Well Drain (NO.) (532)
Pumping Plant for Water Control (NO.) (533)
Pumping, Effluent
Pumping, Influent
Pumpout Systems
Range Planting (AC) (550)
Rapid Infiltration System, Other
Rapid Infiltration System, W/O Underdrain
Rapid Infiltration System, With Underdrain
Reactor (Fixed Film)
Reactor (Oxidation Ditch)
Reactor, Other
Reactor, Sequencing Batch (SBR)
Reactor, Vertical Loop
Recarbonation
Recreation Area Improvement (AC) (562)
Recreation Land Grading and Shaping (AC) (566)
Recreation Trail and Walkway (FT) (568)
Recycling Containers
Reduction
Regulating Water in Drainage Systems (AC) (554)
Renewable Energy Photovoltaic Systems
Residue Management, Mulch Till (AC) (329B)
Residue Management, No/Strip-Till (AC) (329A)
Residue Management, Ridge Till (AC) (329C)
Residue Management, Seasonal (AC) (344)
Restore Wetlands/Riparian Areas
Retention Ponds
Revegetation Of Disturbed Areas
Riparian Forest Buffer (AC) (391A)
Riprap/Gabions
Road Construction/Reconstruction
Road Management
Rock Barrier (FT) (555)
Roof Runoff Management (NO.) (558)
Rotating Biological Contractors
Row Arrangement (AC) (557)
Runoff Management System (NO. AND AC) (570)
Screen (Bar Rack and Coarse)
Screen (Fine and Microstrainers)
Screen, Bar
Screen, Mechanical Bar
Scum Removal
Sediment Basin (NO.) (350)
Sediment Basins
Sediment Trap
Sediment Trap (Resource Extraction)
Sedimentation
Sedimentation, Chemical Precipitation
Sedimentation, Other
Sedimentation, Primary
Seed And Fertilize
Seeding/Revegetation
Seeding/Revegetation (Resource Extraction)
Septage Treatment - Separate Stage
Septic Tank
Settling Tank
Shore Erosion Control
Silt Fence
Site Preparation And Forest Regeneration
Slope Drains
Sodding
Soil Bioengineering
Soil Salinity Management-Nonirrigated (AC) (571)
Solvent Extraction
Sorption
Spill Prevention And Contingency Plan
Spoil Spreading (FT) (572)
Spring Development (NO.) (574)
Storage (In-line)
Storage (Lagoon)
Storage (Off-line, e.g. Retention Basins)
Storage (Other)
Storage (Underground)
Store, Cover, And Isolate Construction Materials.
Straw Bale Barrier
Straw Bales
Stream Channel Stabilization (FT) (584)
Streambank and Shoreline Protection (FT) (580)
Streamside Management Areas (SMAs)
Stripcropping (AC), Contour (585)
Stripcropping (AC), Field (586)
Structure for Water Control (NO.) (587)
Subsurface Flow
Surface Roughening (AC) (609)
Swirl Concentrators
Temporary Vegetative Cover
Terrace (FT) (600)
Timber Harvesting
Toxic Salt Reduction (AC) (610)
Tree/Shrub Establishment (AC) (612)
Tree/Shrub Pruning (AC) (660A)
Trickling Filter (Unspecified Media)
Trickling Filter, Biofilter
Trickling Filter, Other Media
Trickling Filter, Plastic Media
Trickling Filter, Redwood Slats
Trickling Filter, Rock Media
Trough or Tank (NO.) (614)
Underground Outlet (FT) (620)
Use Exclusion (AC) (472)
Vegetated Filter Strips
Vegetative Barriers Vertical Drain (NO.) (630)
Vortex Solids Separators
Waste Disposal Facilities
Waste Management System (NO.) (312)
Waste Storage Facility (NO.) (313)
Waste Treatment Lagoon (NO.) (359)
Waste Utilization (AC) (633)
Water Harvesting Catchment (NO.) (636)
Water Table Control (AC) (641)
Water and Sediment Control Basin (NO.) (638)
Waterspreading (AC) (640)
Well (NO.) (642)
Well Decommissioning (NO) (351)
Wet Detention Practices
Wet Ponds
Wetland (Subsurface)
Wetland (Surface)
Wetland Development or Restoration (AC) (657)
Wildflower Cover
Wildlife Upland Habitat Management (AC) (645)
Wildlife Watering Facility (NO.) (648)
Wildlife Wetland Habitat Management (AC) (644)
Wind Erosion Controls
Windbreak/Shelterbelt Establishment (FT) (380)
Windbreak/Shelterbelt Renovation (FT) (650)

CWNS 2012 Data and Reports

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