**MO6 Guide for Determining Ksat Limits**

**from Traditional Permeability Classes**

  --------------------------------------------------- ------------------------------------------ ------------------------------------------ --------------------------------------------------------------- -----------------------------------------------------------------------------------
  **Ksat Class**                                      **Ksat (m/sec)**                           **Permeability (in/hr)**                   **Permeability Class**                                          **Texture^1^**

                                                      **705.00 (max)**                           **100.00**                                 **Very Rapid^2^**                                               **S, VFS, FS, COS**

  **Very High**                                       **141.14\-\-\-\-\-\-\-\-\-\-\-\--**        **20\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

                                                                                                                                            **Rapid**                                                       **LS, LVFS, LFS, LCOS**

  **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **100\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **14.17**                                                                                                  

  **High**                                            **42.34\-\-\-\-\-\-\-\-\-\-\-\-\-\--**     **6.0\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

                                                                                                                                            **Moderately Rapid**                                            **SL, VFSL, FSL, COSL, L, SIL, SI (\<20% clay)**

                                                      **14.11\-\-\-\-\-\-\-\-\-\-\-\-\-\--**     **2.0\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

  **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **10.00\-\-\-\-\-\-\-\-\-\-\-\-\-\--**     **1.417**                                  **Moderate**                                                    **SCL, L, SIL (20-27% clay)**

  **Moderately High**                                 **4.23\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **0.6\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

                                                                                                                                            **Moderately Slow**                                             **CL, SICL, SCL (27-35% clay)**

                                                      **1.41\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **0.20\-\-\-\-\-\-\-\-\-\-\-\-\-\--**      **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

  **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **1.00\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **0.1417**                                 **Slow**                                                        **C, CL, SC, SICL, SIC\
                                                                                                                                                                                                            (35-60% clay)**

  **Moderately Low**                                  **0.42\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **0.06\-\-\-\-\-\-\-\-\-\-\-\-\-\--**      **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

  **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **0.10\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **0.01417**                                **Very Slow**                                                   **C (\>60% clay)**

  **Low**                                                                                                                                                                                                   []{.mark}

  **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **0.01\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**    **0.001417\-\-\-\-\-\-\-\--**              **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**   **\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--**

  **Very Low**                                        **0.00**                                   **0.00**                                   **Impermeable**                                                 **Bedrock, cemented pans**
  --------------------------------------------------- ------------------------------------------ ------------------------------------------ --------------------------------------------------------------- -----------------------------------------------------------------------------------

**^1^Permeability classes for textures are only estimates. Measured data
should be used if possible.**

**^2^Red numbers and class names are for permeability.**

**Example: SCL with 25% clay has a permeability class of Moderate
(0.6-2.0 in/hr) which equates to Ksat limits of 4.23-14.11 m/sec and
Ksat Classes of Moderately High and High. NASIS data entries for Ksat
would be 4.23 (low) and 14.11 (high). RV would be midpoint or some other
representative number.**

+-----------------------+------------------+-----------+--------------+
| **MO6 Guide for       |                  |           |              |
| Determining Ksat      |                  |           |              |
| Limits**              |                  |           |              |
|                       |                  |           |              |
| **For Bedrock         |                  |           |              |
| Materials**           |                  |           |              |
+-----------------------+------------------+-----------+--------------+
| **Material**          |                  | **Perme   | **Ksat**     |
|                       |                  | ability** |              |
|                       |                  |           | **m/sec**    |
|                       |                  | **in/hr** |              |
+-----------------------+------------------+-----------+--------------+
| **Sandstone**         | **unfractured    | **0.0 --  | **0.0 --     |
|                       | (lithic)**       | 0.2**     | 1.41**       |
+-----------------------+------------------+-----------+--------------+
|                       | **fractured      | **0.2 --  | **1.41 --    |
|                       | (lithic)**       | 2.0**     | 14.11**      |
+-----------------------+------------------+-----------+--------------+
|                       | **weathered      | **0.2 --  | **1.41 --    |
|                       | (paralithic)**   | 0.6**     | 4.23**       |
+-----------------------+------------------+-----------+--------------+
|                       |                  |           |              |
+-----------------------+------------------+-----------+--------------+
| **Shales and          | **consolidated** | **0.0 --  | **0.0 --     |
| Mudstones**           |                  | 0.06**    | 0.42**       |
+-----------------------+------------------+-----------+--------------+
|                       | **weathered      | **0.0 --  | **0.0 --     |
|                       | (paralithic)**   | 0.2**     | 1.41**       |
+-----------------------+------------------+-----------+--------------+
|                       |                  |           |              |
+-----------------------+------------------+-----------+--------------+
| **Igneous &           | **unfractured    | **0.0 --  | **0.0 --     |
| Metamorphic Rocks**   | (lithic)**       | 0.01**    | 0.10**       |
+-----------------------+------------------+-----------+--------------+
|                       | **fractured      | **0.01 -- | **0.10 --    |
|                       | (lithic)**       | 20.0**    | 141.14**     |
+-----------------------+------------------+-----------+--------------+
|                       | **weathered      | **0.0 --  | **0.0 --     |
|                       | (paralithic)**   | 0.06**    | 0.42**       |
+-----------------------+------------------+-----------+--------------+
|                       |                  |           |              |
+-----------------------+------------------+-----------+--------------+
| **Limestone,          | **unfractured    | **0.0 --  | **0.0 --     |
| Dolomite**            | (lithic)**       | 0.06**    | 0.42**       |
+-----------------------+------------------+-----------+--------------+
|                       | **fractured      | **0.0 --  | **0.0 --     |
|                       | (lithic)**       | 0.6**     | 4.23**       |
+-----------------------+------------------+-----------+--------------+
|                       | **weathered      | **0.0 --  | **0.0 --     |
|                       | (paralithic)**   | 0.2**     | 1.41**       |
+-----------------------+------------------+-----------+--------------+
|                       |                  |           |              |
+-----------------------+------------------+-----------+--------------+
| **Limestone Karst**   |                  | **2.0 --  | **14.11 --   |
|                       |                  | 20.0**    | 141.14**     |
+-----------------------+------------------+-----------+--------------+
|                       |                  |           |              |
+-----------------------+------------------+-----------+--------------+