It was a beautiful winter day in Linn Run State Park with several inches of fresh snow.
Here are the results of water testing at the mouth of Rock Run recorded on Saturday, February 2, 2019.

Air Temperature – 30 degrees F
Water Temperature – 30 degrees F
pH – 6.5
Alkalinity – 2.2
Linn Run Gauge – 1.82
Discharge – 16.9

We also collected some snow in the area, allowed it to melt, and tested that.
The snow melt had a pH of 5.8 and an alkalinity of 2.2.

Here are the results of Rock Run water testing for January, 2019.
Air Temperature: 36 degrees F
Water Temperature: 41 dgrees F
pH: 6.3
Alkalinity: 2.9
Linn Run Gauge: 2.1
Linn Run Discharge: 33.2

We also took samples on Linn Run above the mouth of Rock Run
Water Temperature: 39.5 degrees F
pH: 6.7
Alkalinity: 6.0

Here’s the data for this month’s water testing from the mouth of Rock Run.

Air Temperature: 37 degrees F
Water Temperature: 40 degrees F
Linn Run Gauge: 2.10
Linn Run Discharge: 33.2
pH: 6.5
Alkalinity: 3.2

Here’s the Rock Run test results from November 3, 2018.
pH = 6.5
Alkalinity = 4.9
Water Temperature = 47 degrees F
Air Temerature = 37 degrees F
Linn Run Gauge = 2.03
Linn Run Discharge = 31.2