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Watershed Profile: Mill Creek near Lancaster, PA
Mill Creek generally flows east to west before it joins the Conestoga River. The Mill Creek Watershed is located entirely within Lancaster County, PA. The monitoring station is located near its confluence with the Conestoga River.
Drainage Area (square miles): 54.65
Total Stream Length (miles): 75.80
Average Annual Flow at Station (NHD) (cfs) : 74.60
Population (2010): 36613
Designation
Miles
Cold Water Fisheries
7.32
High-Quality Cold Water Fisheries
1.65
Warm Water Fisheries
66.86
Total
75.83
Land Use
Description
Percentage
Water
0.06
Developed Open Space
9.05
Low Urban
9.67
Medium Urban
5.90
High Urban
3.47
Barren
0.02
Deciduous Forest
6.31
Coniferous Forest
0.12
Mixed Forest
2.17
Shrub Scrub
0.48
Grassland Herbaceous
0.11
Pasture/Hay
12.40
Cropland
50.19
Wetlands
0.07
Natural Gas
Natural Gas Pads
0
Natural Gas Water Withdrawals
0
Public Water Supply Withdrawals
Groundwater
79
Surface Water
1
Description
Count
Concentrated Animal Feeding Operation
6
Mining/Quarry
0
Stormwater
61
Wastewater Treatment Plant/Sewage Treatment Plant
3
Other
19
Source
Category
Miles
Agriculture
Aquatic Life
42.00
Crop Production
Aquatic Life
9.40
Grazing in Riparian Zones
Aquatic Life
12.20
Industrial Point Source
Aquatic Life
0.90
Site Clearance
Aquatic Life
0.80
Source Unknown
Recreational
72.40
Rock Type
Percentage
Dolomite
61.65
Limestone
26.17
Other
1.53
Quartzite
8.81
Shale
1.85
Sample Time
4/27/2024 7:00:00 AM
Temperature
(C)
12.82
Specific Conductivity
(mS/cm)
0.799
PH
7.92
Turbidity
(NTU+)
3.58
Dissolved Oxygen
(mg/L)
9.27