FLOOD10356

• County: Delta
• Title: North Fork Volunteer Water Quality Monitoring Project - April 2001-April 2002 Data Report
• Date: 9/30/2002
• Prepared For: North Fork River Improvement Association
• Prepared By: CSU Cooperative Extension and North Fork River Improvement Association
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Table 2.1 Station Locations/Identification 2001-2002

Station Station
Name Number LatlLong Elevation Site Description
EM-1 644. 38059.8245'N 6599' Muddy Creek
107021.427W 1/2 mile north of Paonia State Park entrance
on Hwy 133, just below confluence of East and
West Muddy Creeks.
AN-1 645. 38056.397'N 6361' Anthracite Creek
107021.478'W Turn right on CR135 to Kevler Pass. After
bridge over Muddy Creek, access along
Crystal Meadows Ranch fence, use USBOR
access to Anthracite Creek.
NF-1 646. 38055.557'N 6177' North Fork of Gunnison
107026.023'W USGS Gaging Station accessed off Hwy 133,
2/10 of mile from entrance to West Elk Mine.
NF-2 649. 38055.639'N 6062' North Fork of the Gunnison
107028.697'W Along Hwy 133, west of the town of Somerset,
just below the Fire Mountain Canal irrigation
diversion.
NF-3 238. 38052.128'N 5691' North Fork of Gunnison
107036.277'W Off of Hwy 133, turn south onto the main road
into Paonia. Sample downstream of "County
Road Bridge" just below WWTP ponds.
NF-4 269. 38047.520'N 5345' North Fork of Gunnison
10?043.577'W From downtown Hotchkiss, turn south onto
Cedar Drive (3400 Rd). Follow road to bridge,
turn right just before bridge, sample next to red
gate.
NF-5 650. 38047.061'N 5143' North Fork of Gunnison
107.50.085'W From Hwy 133, turnoff at the Pleasure Park
entrance, follow road to river. At bottom, turn
left into BLM parking area. Trails to river.

Water samples were analyzed for a wide variety of water quality constituents common to
this region. Parameters were also selected to evaluate potentially high risk pollution
problems in the North Fork, such as selenium and coliform bacteria.

Table 2.2 summarizes the chemical parameters analyzed at all seven water quality
sampling sites in the North Fork watershed.

Table 2.2 Summary of Chemical Analyses of River Water Samples

Field Parameters Nutrients Bacteria Metals*
pH Total dissolved solids Total coliform Aluminum
Temperature Total suspended solids E. Coli Arsenic
Total Alkalinity, as Sulfates Cadmium
CaC03 Total phosphate Calcium
Total Hardness, as Total Nitrogen, kjeldahl Copper
, CaC03 N, Nitrate-nitrite Iron
Dissolved Oxygen (DO) N, ammonia Lead
Flow (where available) Magnesium
Manganese
Selenium
Zinc

* All metals were analyzed for total and dissolved metals.

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