20181231 Ver 1_IRV_PCN_AdditionalInformation_20180904

Job no hazenandsawyer.com Job no. 31322-001 PCN ADDITIONAL INFORMATION
Irvins Creek Tributary Gravity Sewer Improvements
Charlotte Water, Mecklenburg County, North Carolina

Section A. Applicant Information
3. Owner Information

Section B. Project Information and Prior Project History
1. Property Identification

Figure 1: Site Map
1 inch equals 600 feet
Sources: Esri, HERE, Garmin, USGS, Intermap, INCREMENT P, NRCan, EsriJapan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), NGCC, ©OpenStreetMap contributors, and the GIS User CommunityµSCALE
Irvins Creek Sanitary Sewer Im provementsMint Hill, NC
Legend
Sanitary Sewer Easement/Limits o f Disturbance
0 600 1,200300Feet
Figure 3: Project Detail Map
1 inch equals 200 feet
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS,USDA, USGS, AeroGRID, IGN, and the GIS User CommunityµSCALE
Irvins Creek Sanitary Sewer Im provementsMint Hill, NC
Legend
Temporary Construction Easement
FEMA 100-year Floodplain
Stream
Sanitary Sewer Easement
Wetland
Sanitary Sewer Pipe
0 200 400100Feet

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PHOTOGRAPHS
Irvins Creek Gravity Sewer Project
Charlotte Water, Mecklenburg County, North Carolina

Photo 1. Upstream view of the origin of perennial Channel C1 (UT to Irvins
Creek), near the corner of Matthews-Mint Hill Road and Lawyers Road. Channel
C1 is piped upstream of this outfall.

Photo 2. Typical condition of upland areas where new sanitary sewer will be
installed.
1
2

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PHOTOGRAPHS
Irvins Creek Gravity Sewer Project
Charlotte Water, Mecklenburg County, North Carolina

Photo 3. Downstream view of Channel C1. Approximate location of sanitary
sewer stream crossing and Temporary Impact S1 and Permanent Impact S2.

Photo 4. View of Wetland W1. The wetland is frequently mowed. Approximate
location of Temporary Impact W1.
3
4

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PHOTOGRAPHS
Irvins Creek Gravity Sewer Project
Charlotte Water, Mecklenburg County, North Carolina

Photo 5. View of Wetland Channel C2 (Irvins Creek). Approximate location of
Temporary Impact S3 and Permanent Impact S4.

Photo 6. View of existing manhole adjacent to Channel C2 showing typical
condition of sewer easement. The new sanitary sewer will be connected to the
existing sewer approximately 75 feet upstream of the existing manhole.

5
6
NC DWQ Stream Identification Form Version 4.11
Date: Project/Site: Latitude:
Evaluator: County: Longitude:
Total Points:
Stream is at least intermittent
if ≥ 19 or perennial if ≥ 30*
Stream Determination (circle one)
Ephemeral Intermittent Perennial
Other
e.g. Quad Name:

A. Geomorphology (Subtotal =_________) Absent Weak Moderate Strong
1a. Continuity of channel bed and bank 0 1 2 3
2. Sinuosity of channel along thalweg 0 1 2 3
3. In-channel structure: ex. riffle-pool, step-pool,
ripple-pool sequence 0 1 2 3
4. Particle size of stream substrate 0 1 2 3
5. Active/relict floodplain 0 1 2 3
6. Depositional bars or benches 0 1 2 3
7. Recent alluvial deposits 0 1 2 3
8. Headcuts 0 1 2 3
9. Grade control 0 0.5 1 1.5
10. Natural valley 0 0.5 1 1.5
11. Second or greater order channel No = 0 Yes = 3
a artificial ditches are not rated; see discussions in manual
B. Hydrology (Subtotal = _________)
12. Presence of Baseflow 0 1 2 3
13. Iron oxidizing bacteria 0 1 2 3
14. Leaf litter 1.5 1 0.5 0
15. Sediment on plants or debris 0 0.5 1 1.5
16. Organic debris lines or piles 0 0.5 1 1.5
17. Soil-based evidence of high water table? No = 0 Yes = 3
C. Biology (Subtotal = _________)
18. Fibrous roots in streambed 3 2 1 0
19. Rooted upland plants in streambed 3 2 1 0
20. Macrobenthos (note diversity and abundance) 0 1 2 3
21. Aquatic Mollusks 0 1 2 3
22. Fish 0 0.5 1 1.5
23. Crayfish 0 0.5 1 1.5
24. Amphibians 0 0.5 1 1.5
25. Algae 0 0.5 1 1.5
26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other = 0
*perennial streams may also be identified using other methods. See p. 35 of manual.
Notes:

Sketch:

NC DWQ Stream Identification Form Version 4.11
Date: Project/Site: Latitude:
Evaluator: County: Longitude:
Total Points:
Stream is at least intermittent
if ≥ 19 or perennial if ≥ 30*
Stream Determination (circle one)
Ephemeral Intermittent Perennial
Other
e.g. Quad Name:

A. Geomorphology (Subtotal =_________) Absent Weak Moderate Strong
1a. Continuity of channel bed and bank 0 1 2 3
2. Sinuosity of channel along thalweg 0 1 2 3
3. In-channel structure: ex. riffle-pool, step-pool,
ripple-pool sequence 0 1 2 3
4. Particle size of stream substrate 0 1 2 3
5. Active/relict floodplain 0 1 2 3
6. Depositional bars or benches 0 1 2 3
7. Recent alluvial deposits 0 1 2 3
8. Headcuts 0 1 2 3
9. Grade control 0 0.5 1 1.5
10. Natural valley 0 0.5 1 1.5
11. Second or greater order channel No = 0 Yes = 3
a artificial ditches are not rated; see discussions in manual
B. Hydrology (Subtotal = _________)
12. Presence of Baseflow 0 1 2 3
13. Iron oxidizing bacteria 0 1 2 3
14. Leaf litter 1.5 1 0.5 0
15. Sediment on plants or debris 0 0.5 1 1.5
16. Organic debris lines or piles 0 0.5 1 1.5
17. Soil-based evidence of high water table? No = 0 Yes = 3
C. Biology (Subtotal = _________)
18. Fibrous roots in streambed 3 2 1 0
19. Rooted upland plants in streambed 3 2 1 0
20. Macrobenthos (note diversity and abundance) 0 1 2 3
21. Aquatic Mollusks 0 1 2 3
22. Fish 0 0.5 1 1.5
23. Crayfish 0 0.5 1 1.5
24. Amphibians 0 0.5 1 1.5
25. Algae 0 0.5 1 1.5
26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other = 0
*perennial streams may also be identified using other methods. See p. 35 of manual.
Notes:

Sketch:

Project/Site:Sampling Date:
Applicant/Owner:State:Sampling Point:
Investigator(s):
Landform (hillside, terrace, etc.):
Subregion (LRR or MLRA): Lat: Long:
Soil Map Unit Name:
X
Are Vegetation X , Soil , or Hydrology Yes
Are Vegetation , Soil , or Hydrology
SUMMARY OF FINDINGS – Attach site map showing sampling point locations, transects, important features, etc.
X No
X No X
X No
X
X
X X
X
X
X
X
Yes X
Yes X
Yes X X
Local relief (concave, convex, none):
Surface Water Present?
Yes NoAre climatic / hydrologic conditions on the site typical for this time of year?(If no, explain in Remarks.)
significantly disturbed?
naturally problematic?
Are “Normal Circumstances” present?
(If needed, explain any answers in Remarks.)
Remarks:
Field Observations:
True Aquatic Plants (B14)
Hydrogen Sulfide Odor (C1)
Oxidized Rhizospheres on Living Roots (C3)
Presence of Reduced Iron (C4)
Recent Iron Reduction in Tilled Soils (C6)
Thin Muck Surface (C7)
Other (Explain in Remarks)
Iron Deposits (B5)
City/County:Irvins Creek Gravity Sewer Project Mint Hill / Mecklenburg
W1-SP
2/15/2018
Charlotte Water NC
WETLAND DETERMINATION DATA SHEET – Eastern Mountains and Piedmont Region
No
Section, Township, Range: N/AJK
<1%concaveterrace
Datum: WGS 84-80.66072335.175478LRR P, MLRA 136
PFO1NWI classification:Pacolet sandy loam, 15 to 25 percent slopes
Slope (%):
Remarks:
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
2
0
Depth (inches):
Depth (inches):
Depth (inches):
No
Saturation Present?
(includes capillary fringe)
Surface water present in some locations. Water table between 2-3 inches depending on microtopography.

NoYes
Is the Sampled Area
Cleared vegetation within the wetland. NWI classification indicates potential wetland type, not current condition.
HYDROLOGY
Yes
Yes
Yes
Hydric Soil Present?
Hydrophytic Vegetation Present?
Wetland Hydrology Present?
Nowithin a Wetland? Yes
No
No
Water Table Present?
Geomorphic Position (D2)
Shallow Aquitard (D3)
Microtopographic Relief (D4)
FAC-Neutral Test (D5)
Inundation Visible on Aerial Imagery (B7)
Water-Stained Leaves (B9)
Aquatic Fauna (B13)
Algal Mat or Crust (B4)
Wetland Hydrology Present?
Stunted or Stressed Plants (D1)
Surface Water (A1)
High Water Table (A2)
Saturation (A3)
Water Marks (B1)
Sediment Deposits (B2)
Drift Deposits (B3)
Wetland Hydrology Indicators:
Primary Indicators (minimum of one is required; check all that apply) Surface Soil Cracks (B6)
Sparsely Vegetated Concave Surface (B8)
Drainage Patterns (B10)
Moss Trim Lines (B16)
Dry-Season Water Table (C2)
Crayfish Burrows (C8)
Saturation Visible on Aerial Imagery (C9)
Secondary Indicators (minimum of two required)
US Army Corps of Engineers Eastern Mountains and Piedmont – Version 2.0
Sampling Point:
(Plot size:
1.
2.
3.
4.
5.
6.(A/B)
7.
50% of total cover: 20% of total cover:x 1 =
Sapling/Shrub Stratum (Plot size:x 2 =
1.x 3 =
2.x 4 =
3.x 5 =
4.Column Totals:(B)
5.
6.
7.
8.X
9.X
4 - Morphological Adaptations1 (Provide supporting
50% of total cover: 20% of total cover:
Herb Stratum (Plot size:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
50% of total cover: 20% of total cover:
Woody Vine Stratum (Plot size:
1.
2.
3.
4.
5.
50% of total cover: 20% of total cover:Yes X
3 - Prevalence Index is ≤3.01
data in Remarks or on a separate sheet)
Problematic Hydrophytic Vegetation1 (Explain)
No
W1-SP
2
3
FACU species
UPL species
Hydrophytic Vegetation Indicators:
0
120
0
50
Total Number of Dominant
Species Across All Strata:
Dominance Test worksheet:
Number of Dominant Species
That Are OBL, FACW, or FAC:
OBL species
FACW species
FAC species
Sapling/Shrub – Woody plants, excluding vines, less
than 3 in. DBH and greater than or equal to 3.28 ft
(1 m) tall.
Tree – Woody plants, excluding vines, 3 in. (7.6 cm) or
more in diameter at breast height (DBH), regardless of
height.
1Indicators of hydric soil and wetland hydrology must
be present, unless disturbed or problematic.
Absolute
% Cover
66.7%
Percent of Dominant Species
That Are OBL, FACW, or FAC:
Tree Stratum
)
=Total Cover
30 )
Indicator
Status
Dominant
Species?
Yes10Juncus effusus
Carex granularis 30
15
Definitions of Four Vegetation Strata:
Woody Vine – All woody vines greater than 3.28 ft in
height.
Hydrophytic
Vegetation
Present?
=Total Cover
Herb – All herbaceous (non-woody) plants, regardless
of size, and woody plants less than 3.28 ft tall.
30 )
Lonicera japonica
40
820
Prevalence Index worksheet:
Total % Cover of:
0
10
(A)
(B)
(A)
0
0
40
Multiply by:
80
2.40Prevalence Index = B/A =
40
1 - Rapid Test for Hydrophytic Vegetation
2 - Dominance Test is >50%
VEGETATION (Four Strata)– Use scientific names of plants.
0
Remarks: (Include photo numbers here or on a separate sheet.)
)5
=Total Cover
FACW
FACW
Yes
25
=Total Cover10
10 Yes FACU
US Army Corps of Engineers Eastern Mountains and Piedmont – Version 2.0
X
X
Depth (inches):X
Dark Surface (S7)unless disturbed or problematic.Red Parent Material (F21) (MLRA 127, 147, 148)
No
Hydric Soil Indicators:
Polyvalue Below Surface (S8) (MLRA 147, 148)
Thin Dark Surface (S9) (MLRA 147, 148)
Loamy Gleyed Matrix (F2)
Redox Dark Surface (F6)
Redox Depressions (F8)
Loamy Mucky Mineral (F1) (MLRA 136)
Depleted Matrix (F3)
Depleted Dark Surface (F7)
2 cm Muck (A10) (MLRA 147)
Coast Prairie Redox (A16)
Indicators for Problematic Hydric Soils3:
(MLRA 147, 148)
Piedmont Floodplain Soils (F19)
(MLRA 136, 147)
Very Shallow Dark Surface (F22)
Red Parent Material (F21)
(outside MLRA 127, 147, 148)
2 cm Muck (A10) (LRR N)
Depleted Below Dark Surface (A11)
Thick Dark Surface (A12)
Sandy Mucky Mineral (S1)
Sandy Redox (S5)
Stripped Matrix (S6)
Iron-Manganese Masses (F12) (LRR N,Other (Explain in Remarks)
3Indicators of hydrophytic vegetation and
wetland hydrology must be present,
Umbric Surface (F13) (MLRA 122, 136)
Piedmont Floodplain Soils (F19) (MLRA 148)
Sandy Gleyed Matrix (S4)MLRA 136)
%
M30
Prominent redox concentrations
Texture
Prominent redox concentrations
20 M
W1-SPSOIL
Type1
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Redox FeaturesDepth
(inches) Color (moist)Remarks
1Type: C=Concentration, D=Depletion, RM=Reduced Matrix, MS=Masked Sand Grains.2Location: PL=Pore Lining, M=Matrix.
%
Matrix
C10YR 6/2
10YR 5/2 5YR 5/6
5YR 5/83-18
0-3
Loc2
70
Loamy/Clayey
Loamy/Clayey
80 C
Color (moist)
Sampling Point:
Yes
Restrictive Layer (if observed):
Remarks:
This data sheet is revised from Eastern Mountains and Piedmont Regional Supplement Version 2.0 to include the NRCS Field Indicators of Hydric
Soils, Version 8.0, 2016.
Hydric Soil Present?
Type:
Histosol (A1)
Histic Epipedon (A2)
Black Histic (A3)
Hydrogen Sulfide (A4)
Stratified Layers (A5)
US Army Corps of Engineers Eastern Mountains and Piedmont – Version 2.0