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Section 2 - Soil and Water Inventory

In this section you will collect information about your soils and land characteristics. There are two forms to download and complete. The Soils Inventory worksheet includes soil factors that are important for livestock operations and crop production. The Groundwater and Surface Water Inventories consider factors of your land that might affect water quality.


What you need for this section:

Aerial photo map. Obtain from county Farm Service Agency (FSA) office
Soils data for your county A published Soil Survey for your county can be obtained from the NRCS field office
This document Read on-screen


Part 1. Soils Inventory

The information you collect in the Soils Inventory Table will help provide a picture of your land resource and how it can be best used for manure handling and storage.

To complete the table you will need an aerial photo of your land, available from county FSA office. You also need a copy of the county Soil Survey, available at the NRCS field office.

When you have your aerial photo and soils data you can fill out the Soils Inventory table. For each soil you have you will collect several pieces of information.

Soil Inventory Table
Map
Unit
Symbol
Map Unit Name1
Field IDs2
Depth to
Water Table
Flooding
Potential
Permeability
Class
Limitations
for
Buildings
Limitations
for
Lagoons
 
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               

1 - (including surface textural class and % slope)
2 - (for fields containing this soil)


Completing the Soils Inventory table:

Soil map unit symbol
A mapping unit is an area of land in which the soils have similar characteristics and slope. On a soil map these mapping units are represented by letters or numbers. On your Table, include every map unit you find on your land from the aerial photo.

Field IDs
List every field that contains the map unit.

Soil map unit name
The name of the map unit. The name includes the soil series, the textural class of the surface horizon, and the slope class. In a soil survey they usually appear in a list, near the front of the text section, or on the back of the index map.

Depth to seasonal high water table
The depth to the highest level of a saturated zone more than 6 inches thick for continuous periods of more than 2 weeks during most years. In a soil survey these data are found in a table of soil and water features.

Flooding potential
The frequency and duration of flooding, based on evidence in the soil profile and local information. In a soil survey these data are found in a table of soil and water features.

Permeability Class
The least permeable layer in the top three feet of soil. In a soil survey this information is usually found in a table of soil physical and chemical properties within the text section. Slow rates suggest a potential for water collecting on the surface and creating a runoff hazard. Rapid rates may indicate a potential for water to move through the soil too quickly to be filtered.

Salinity
The salinity of the soil. In a soil survey this information is usually found in a table of soil physical and chemical properties within the text section.

Limitations for buildings without basements
This describes how limited the map unit is for buildings without basements. In a soil survey this is found in a table of building site criteria inside of the text section. Terms are slight, moderate, and severe. Slight limitations indicate that the soil properties are favorable and any limitation is minor and easily overcome. Moderate limitations indicate that soil properties and site features are unfavorable but can be overcome or minimized by special planning and design. Severe limitations indicates one or more soil properties or site features are so unfavorable or difficult to overcome that a major increase in construction, special design, or intensive maintenance is required. In some cases, such costly measures may not be feasible.

Limitations for sewage lagoons
Also uses the terms slight, moderate, and severe (see above). In a soil survey these ratings are found in a table of sanitary facilities within the text section.

Additional information
Include any other significant properties or features of the land.

Part 2. Groundwater Inventory
Download a copy of the Site Considerations checklist. The completed checklist will document information that is relevant to manure handling and storage. The checklist questions appear below:

On-Site Feedlot Evaluations: Site Considerations

1. The depth to groundwater on my farm is:
___ < 50 ft ___ 50-100 ft ___ > 100 ft ___ unsure

2. I have tested my well water for nitrates and bacteria:
___ in the last 1 year ___ within the last 5 years ___ never

3. The seepage from my runoff holding pond ___:

    ___ fits within the regulatory requirements (see section 1 for requirements)
    ___ is in violation of the regulation
    ___ unsure

Inventory of Wells
Well No. Location Depth Distance to Corrals1 Distance to Manure or Runoff Storage1 Distance to Field that Receives Manure2
           
           
           
           
           
           
           
           
           

1 - Corrals, manure stockpiles, runoff holding ponds, and wastewater retention structures should be a minimum of 150 ft downstream from any well in order to protect the well.
2 - Keep a grassed buffer area around wells where no manure is applied.


Part 3. Surface Water Inventory (ponds, creeks, canals, etc.)

1. The distance of the feedlot to surface water bodies (creeks, ponds, wellheads, etc.) is:
___ < 10 ft ___ 10-50 ft ___50-150 ft ___>150 ft

2. The nearest surface water is ___ from the feedlot:

Inventory of Water Bodies
Name of Water Body. Location Depth Distance to Corrals1 Distance to Manure or Runoff Storage1 Distance to Field that Receives Manure2
           
           
           
           
           
           
           
           
           

1 - Corrals should be a minimum of 150 ft from any water body in order to protect water quality.
2 - Be sure that your manure stockpiles, runoff storage ponds, and wastewater retention structures are not located within a 100-year flood plain.
3 - Keep a grassed buffer area around water bodies where no manure is applied.




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