2019-05-24_PERMIT FILE - M2019028 ‎(10)‎

• Permit No: M2019028
• IBM Index Class Name: PERMIT FILE
• Doc Date: 5/24/2019
• Doc Name: Application
• From: J-2 Contracting Co.
• To: DRMS
• Email Name: ECS
• Email Name: MAC
• Media Type: D
• Archive: No

WETLAND DETERMINATION DATA FORM—Great Plains Region
Project/Site: DPG Site City/County. Weld Sampling Date: 4/19/2019
Applicant/Owner: J-2 Contracting Co. State: CO Sampling Point: DP-11a
Investigator(s), M.Boyer,K.Medash Section,Township,Range: 12,5N,65W
Landform(hillslope,terrace,etc.): terrace Local relief(concave,convex,none) concave Slope(%): 1-3%
Subregion(LRR): G Western Great Plains Range and Imgation Region Lat: 40.419096°N Long: -104 603967°W Datum: NAD83
Soil Map Unit Name: Ellicott-Ellicott sandy-skeletal complex 0-3% NWI classification- N/A
Are climatic/hydrologic conditions on the site typical for this time of year? Yes ✓ No (If no,explain in Remarks.)
Are Vegetation Soil ,or Hydrology significantly disturbed? No Are"Normal Circumstances"present? Yes ✓ No
Are Vegetation Soil ,or Hydrology naturally problematic? No (If needed,explain any answers in Remarks.)
SUMMARY OF FINDINGS— Attach site map showing sampling point locations,transects, important features,etc.
Hydrophytic Vegetation Present? Yes No Is the Sampled Area
Hydric Soil Present? Yes No within a Wetland? Yes ✓ No
Wetland Hydrology Present? Yes No
Remarks:
Wetland data point in a wetland in the South Platte River riparian corridor.
VEGETATION—Use scientific names of plants.
Absolute Dominant Indicator Dominance Test worksheet:
Tree Stratum (Plot size 30 x 30 ft ) %Cover Species? Status Number of Dominant Species
1 Salix fragilis 10 Y FAC That Are OBL,FACW,or FAC
2 (excluding FAC—): 2 (A)
3• Total Number of Dominant
4 Species Across All Strata: 2 (B)
=Total Cover Percent of Dominant Species
Sapling 10 Sapling/Shrub Stratum (Plot size: 10 x 10 ft ) That Are OBL, FACW,or FAC: 100% (A/g)
1.
2 Prevalence Index worksheet:
3 Total%Cover of: Multiply by:
4 OBL species x 1 =
5 FACW species x 2=
0 =Total Cover FAC species x 3=
Herb Stratum (Plot size: 5 x 5ft FACU species x 4=
1 Phalarus arundinacea 80 Y FACW UPL species x 5=
2, Column Totals (A) (B)
3.
Prevalence Index =B/A=
4.
Hydrophytic Vegetation Indicators:
5.
1 -Rapid Test for Hydrophytic Vegetation
6.
2-Dominance Test is>50%
7.
3-Prevalence Index is 53.0'
8.
_ 4-Morphological Adaptations'(Provide supporting
9• data in Remarks or on a separate sheet)
10. _ Problematic Hydrophytic Vegetation' (Explain)
80 =Total Cover
Woody Vine Stratum (Plot size: ) 'Indicators of hydric soil and wetland hydrology must
1 be present,unless disturbed or problematic.
2. Hydrophytic
=Total Cover Vegetation
%Bare Ground in Herb Stratum 20% Present? Yes ✓ No
Remarks:
Does meet the criteria for hydrophytic vegetation.
US Army Corps of Engineers Great Plains—Version 2.0