CO / LAST
PRACTICE / LEAD / ISSUE / REVIEW
PRACTICE NAME AND UNIT / CODE / DISCIPLINE / DATE / DATE

SECTION IV

PRACTICE STANDARDS AND SPECIFICATIONS

TABLE OF CONTENTS

This table of contents is an alphabetical listing of NRCS conservation practices applicable to all programs for which NRCS has technical responsibility. The standards and specifications maintained in this technical guide are the official copies for all conservation practices currently in effect. They will be used in all technical assistance provided by NRCS. Whenever unusual site conditions not covered by these standards and specifications occur, special designs and/or specifications will be developed.

LEGEND

Agron - State Conservation Agronomist

Bio - State Wildlife Biologist

Engr - State Conservation Engineer

For - State Forester

Range - State Range Management Specialist

PRACTICE NAME AND UNIT / PRACTICE / LEAD / CO / LAST
CODE / DISCIPLINE / ISSUE / REVIEW
Access Road (ft.) / 560 / Eng / Mar-02
Aquaculture Ponds (ac.) / 397 / Bio / Apr-03
Alley Cropping (ac.) / 311 / For / Apr-03
Anionic Polyacrylamide (PAM) Erosion Control (ac.) / 450 / Eng / Mar-02
Brush Management (ac.) / 314 / Range / May-84 / May-92
Brush Management Supplement, (SLV) (ac.) / 314 / Range / Sep-79 / May-92
Brush Management Supplement. Sand Sagebrush (ac.) / 314 / Range / Aug-93 / Oct-95
Channel Stabilization (ft.) / 584 / Eng / May-03
Clearing and Snagging (ft.) / 326 / Eng / Jan-82 / Aug-02
Closure of Waste Impoundments (no.) / 360 / Eng / Mar-02
Composting Facility (no.) / 317 / Eng / Mar-02
Conservation Cover (ac.) / 327 / Agron / Apr-03
Conservation Crop Rotation (ac.) / 328 / Agron / Apr-03
Constructed Wetland (no.) / 656 / Eng, Bio / Mar-02
Contour Buffer Strips (ac.) / 332 / Agron / Sep-99 / Jun-01
Contour Farming (ac.) / 330 / Agron / Apr-03
Cover Crop (ac.) / 340 / Agron / Apr-03
Critical Area Planting (ac.) / 342 / Agron / Apr-03
Cross Wind Ridges (ac.) / 589A / Agron / Sep-99 / Jun-01
Cross Wind Trap Strips (ac.) / 589C / Agron / Sep-99 / Jun-01
Dam, Diversion (no.) / 348 / Eng / Aug-02 / Sep-02
Dam (no. & ac.ft.) / 402 / Eng / May-03
Deep Tillage (ac.) / 324 / Agron / Apr-03
Deferred Grazing (ac.) / 352 / Range / Dec-91 / Aug-93
Dike (ft.) / 356 / Eng / Dec-82 / Mar-02
Diversion (ft.) / 362 / Eng / Mar-02
Drainage Water Management (ac.) / 554 / Eng / Aug-02 / Sep-02
Dry Hydrant (no.) / 432 / Eng / Mar-02
Early Successional Habitat Development/Management (ac.) / 647 / Bio / Oct-99
Fencing (ft.) / 382 / Range / Jun-85 / Mar-95
Field Border (ft.) / 386 / Agron / Sep-99 / Jun-01
Filter Strip (ac.) / 393 / Agron, Eng / Apr-03
Firebreak (ft.) / 394 / For / Jun-71 / Apr-03
Fish Passage (no.) / 396 / Bio / Aug-01
Fish Raceway or Tank (ft.) / 398 / Bio, Eng / Aug-02 / Sep-02
Fishpond Management (no.) / 399 / Bio / Mar-82 / Sep-02
Forest Site Preparation (ac.) / 490 / For / Feb-82 / Apr-03
Forest Stand Improvement (ac.) / 666 / For / Feb-82 / Apr-03
Forest Trails and Landings / 655 / For / Apr-03
Grade Stabilization Structure (no.) / 410 / Eng / Jul-91 / Mar-02
Grassed Waterway (ac.) / 412 / Agron, Eng / Aug-02 / Sep-02
Grazing Land Mechanical Treatment (ac.) / 548 / Range / Oct-82
Heavy Use Area Protection (ac.) / 561 / Eng / Aug-02 / Sep-02
Hedgerow Planting / 422 / Bio / Aug-02
Herbaceous Wind Barriers (ft.) / 422A / Agron / Sep-99 / Jun-01
Irrigation Canal or Lateral (ft.) / 320 / Eng / Aug-02 / Sep-02
Irrigation Field Ditch (ft.) / 388 / Eng / Aug-02 / Sep-02
Irrigation Land Leveling (ac.) / 464 / Eng / Mar-02
Irrigation Regulating Reservoir (no.) / 552 / Eng / May-03
Irrigation Storage Reservoir (no. & ac.ft.) / 436 / Eng / May-03
Irrigation System, Micro Irrigation (no.& ac.) / 441 / Eng / Mar-02
Irrigation System, Sprinkler (no. & ac.) / 442 / Eng / Mar-90 / Mar-02
Irrigation System, Surface and Subsurface (no. & ac.) / 443 / Eng / Aug-02 / Sep-02
Irrigation System, Tailwater Recovery (no.) / 447 / Eng / Aug-02 / Sep-02
Irrigation Water Conveyance, Corrugated Ribbed or Profile Wall Thermoplastic, (interim) / 430JJ / Eng / Jul-91 / Mar-02
Irrigation Water Conveyance, Aluminum Tubing Pipeline (ft.) / 430AA / Eng / Jan-72 / Mar-02
Irrigation Water Conveyance, Corrugated Metal Pipeline (ft.) (interim) / 430II / Eng / Jan-83 / Mar-02
Irrigation Water Conveyance, Flexible Membrane Ditch & Canal Lining (ft.) / 428B / Eng / Dec-82 / Mar-02
Irrigation Water Conveyance, Galvanized Steel Ditch & Canal Lining (ft.) / 428C / Eng / Aug-02 / Sep-02
Irrigation Water Conveyance, High-Pressure Underground Plastic Pipeline (ft.) / 430DD / Eng / Mar-92 / Mar-02
Irrigation Water Conveyance, Low Pressure, Underground, Plastic Pipeline (ft.) / 430EE / Eng / Mar-92 / Mar-02
Irrigation Water Conveyance, Non-reinforced Concrete Ditch & Canal Lining (ft.) / 428A / Eng / Jun-92 / Mar-02
Irrigation Water Conveyance, Non-reinforced Concrete Pipeline (ft.) / 430CC / Eng / Feb-92 / Mar-02
Irrigation Water Conveyance, Reinforced Plastic Mortar Pipeline (ft.) / 430GG / Eng / Dec-82 / Mar-02
Irrigation Water Conveyance, Rigid Gated Pipeline (ft.) / 430HH / Eng / Jan-87 / Mar-02
Irrigation Water Conveyance, Steel Pipeline (ft.) / 430FF / Eng / Jan-72 / Mar-02
Irrigation Water Management (ac.) / 449 / Agron, Eng / Mar-02 / Sep-02
Land Clearing (ac.) / 460 / Eng / Aug-02 / Sep-02
Land Reconstruction, Abandoned Mined Land (ac.) / 543 / Agron, Eng / Aug-02 / Sep-02
Land Reconstruction, Currently Mined Land (ac.) / 544 / Agron / Apr-79
Land Smoothing (ac.) / 466 / Eng / May-03
Lined Waterway or Outlet / 468 / Eng / May-03
Low Energy Precision Application Irrigation System (Interim) / 202 / Eng / Apr-95 / Mar-02
Manure Transfer (no.) / 634 / Eng / Mar-02
Mulching (ac.) / 484 / Agron / Apr-03
Nutrient Management (ac.) / 590 / Agron, Eng / Apr-03
Obstruction Removal (ac.) / 500 / Eng / Aug-02 / Sep-02
Open Channel (ft.) / 582 / Eng / Aug-02 / Sep-02
Pasture and Hayland Management (ac.) / 510 / Range / Apr-85
Pasture and Hay Planting (ac.) / 512 / Range/Agron / Apr-03
Pest Management (ac.) / 595 / Agron, Eng / Jul-97
Pipeline (ft.) / 516 / Eng / Aug-02 / Sep-02
Planned Grazing Systems (ac.) / 556 / Range / Apr-91
Pond (no.) / 378 / Eng / May-03
Pond Sealing or Lining, Bentonite Sealant (no.) / 521C / Eng / Mar-02
Pond Sealing or Lining, Flexible Membrane (no.) / 521A / Eng / Mar-02
Pond Sealing or Lining, Soil Dispersant (no.) / 521B / Eng / Mar-02
Prescribed Burning (ac.) / 338 / For / Oct-83 / Apr-03
Prescribed Grazing (ac.) / 528A / Range / Apr-92 / Jan-03
Pumped Well Drain (no.) / 532 / Eng / Aug-02 / Sep-02
Pumping Plant (no.) / 533 / Eng / May-03
Range Seeding (ac.) / 550 / Range / Jan-91
Recreation Land Grading and Shaping (ac.) / 566 / Eng / Aug-02 / Sep-02
Recreation Trail and Walkway (ft.) / 568 / Eng / Aug-02 / Sep-02
Residue Management, Mulch Till (ac.) / 329B / Agron / Apr-03
Residue Management, No Till/Strip Till (ac.) / 329A / Agron / Apr-03 / Jun-01
Residue Management, Ridge Till (ac.) / 329C / Agron / Apr-03
Residue Management, Seasonal (ac.) / 344 / Agron / Apr-03
Restoration and Management of Declining Habitats (ac.) / 643 / Bio / Oct-99
Riparian Forest Buffer (ac.) / 391 / For, Eng / Mar-97 / Apr-03
Riparian Herbaceous Cover (ac.) / 390 / Bio / Oct-99
Roof Runoff Structure (no.) / 558 / Eng / Mar-02
Sediment Basin (no.) / 350 / Eng / Aug-02 / Sep-02
Shallow Water Management for Wildlife (ac.) / 646 / Bio / Oct-99
Soil Salinity Management – Nonirrigated (ac.) / 571 / Eng, Agron / Apr-03
Spoil Spreading (ac.) / 572 / Eng / Jan-89 / Mar-02
Spring Development (no.) / 574 / Eng / Mar-02
Stock Trails and Walkways (ft.) / 575 / Range / Oct-82
Stream Habitat Improvement and Management (ft.) / 395 / Bio / Jul-01
Streambank and Shoreline Protection (ft.) / 580 / Eng / Mar-02
Stripcropping / 585 / Agron / Apr-03
Structure for Water Control (no.) / 587 / Eng / May-81 / Mar-02
Subsurface Drain (ft.) / 606 / Eng / Feb-92 / Mar-02
Surface Drainage, Field Ditch (ft.) / 607 / Eng / Feb-92 / Mar-02
Surface Drainage. Main or Lateral (ft.) / 608 / Eng / May-03
Surface Roughening (ac.) / 609 / Agron / Apr-03
Terrace (ft.) / 600 / Eng / May-03
Toxic Salt Reduction (ac.) / 610 / Eng / Aug-02 / Sep-02
Tree/Shrub Establishment (ac.) / 612 / For
Tree/Shrub Pruning (ac) / 660 / For / Apr-03
Underground Outlet (no.) / 620 / Eng / Mar-02
Upland Wildlife Habitat Management (ac.) / 645 / Bio / May-00
Use Exclusion (ac.) / 472 / For / Apr-03
Vertical Drain (no.) / 630 / Eng / Aug-02 / Sep-02
Waste Storage Facility (no.) / 313 / Eng / Mar-02
Waste Treatment Lagoon (no.) / 359 / Eng / Mar-02
Waste Utilization (ac.) / 633 / Agron/Eng / Aug-02 / Sep-02
Wastewater Treatment Strip (ac.) / 635 / Eng / Aug-02 / Sep-02
Water and Sediment Control Basin (no.) / 638 / Eng / Aug-02 / Sep-02
Water Well (no.) / 642 / Eng / Mar-02 / Sep-02
Watering Facility (no.) / 614 / Eng / Aug-02 / Sep-02
Waterspreading (ac.) / 640 / Eng / May-03
Well Decommissioning / 351 / Eng / Mar-02
Wetland Creation (ac.) / 658 / Bio, Eng / Oct-99
Wetland Enhancement (ac.) / 659 / Bio, Eng / Oct-99
Wetland Restoration (ac.) / 657 / Bio, Eng / Oct-99
Wetland Wildlife Habitat Management (ac.) / 644 / Bio / Oct-99
Wildlife Watering Facility (no.) / 648 / Bio / Oct-99 / May-01
Windbreak/Shelterbelt Establishment (ft.) / 380 / For / Jan-97
Windbreak/Shelterbelt Renovation (ac.) / 650 / For / Jun-79

NRCS, CO

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