<p> Arizona Planning Guide for Natural Resource Concerns Water Quantity Excessive Seepage</p><p>Conservation Practices that may be needed as part of a Conservation Management System to achieve Quality Criteria for this resource concern include those listed here. 327 Conservation Cover 335 Controlled Drainage 356 Dike 362 Diversion 412 Grassed Waterway 423 Hillside Ditch 464 Irrigation Land Leveling 442 Irrigation System, Sprinkler 443 Irrigation System, Surface/ Subsurface Resource Concern Definition - 447 Irrigation System, Tailwater Subsurface water oozing to the surface Recovery restricts land use and management. 441 Irrigation System, Trickle 428 Irr. Water Conv., Ditch/ Canal Lining Quality Criteria - Land use and 430 Irrigation Water Conveyance, management does not contribute to water Pipeline seepage problems that limit the sustainable 449 Irrigation Water Management use of the water resource or the intended 466 Land Smoothing use of the land. Seepage is managed to limit 468 Lined Waterway or Outlet periods of saturation that are unfavorable to 482 Mole Drain the intended land use. Control measures are 582 Open Channel consistent with wetland policies and other 516 Pipeline applicable laws. 532 Pumped Well drain 533 Pumping Plant for Water Control Method for evaluating resource condition 574 Spring Development 606 Subsurface Drain  Visual Assessment (physical 607 Surface Drainage, Field Ditch presence of water, prevalence of 608 Surface Drainage, Main or Lateral hydrophytic vegetation, etc.) 620 Underground Outlet  Client interview 472 Use Exclusion  Area measurements 630 Vertical Drain 638 Water & Sediment Control Basin 641 Water Table Control 640 Waterspreading 642 Well 657 Wetland Development or Restoration 644 Wildlife Wetland Habitat Manageme</p><p>USDA Natural Resources Conservation Service Page 1 Arizona Field Office Technical Guide, Section III August, 2003</p>