Chesapeake Bay Coastal Bays Rivers and Streams Watersheds
Maryland Department of Natural Resources
Fixed Station Monthly Monitoring
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Patuxent River - Nottingham (TF1.5)

Map Showing the Location of TF1.5

Location:
Nottingham, Just South of the Merkle Wildlife Management Area on the Upper Patuxent River

Coordinates (NAD83):
Latitude: 38.7101
Longitude: -76.7014

Description:
This station is a tidal freshwater site in the mid-channel of the Patuxent River approximately 35 feet deep.

Current Parameter: Dissolved Oxygen

Choose Other Parameters:
Dissolved
Oxygen
Water
Temperature
Salinity pH Water
Clarity


The yellow shaded area represents the range of monthly mean values that have occurred from 1985 to 2012. The blue line shows the monthly mean values for each month over that same time period. The red line shows what the current years conditions are and how they compare to the range and the average values we've seen.

2013 Bottom Water Dissolved Oxygen
Patuxent River / Nottingham (TF1.5)

Legend

Range 1985 to 2012 2013 Mean

Bottom Water Dissolved Oxygen (mg/l)
Patuxent River / Nottingham (TF1.5)
Month Minimum Mean Maximum 2012 2013
January 9.30 11.63 13.60 11.80 11.40
February 10.20 11.65 13.60 Not Sampled 11.60
March 0.94 10.21 11.90 11.00 10.30
April 0.84 9.10 11.20 11.20 8.20
May 5.00 8.62 11.80 Not Sampled Not Sampled
June 4.60 7.35 9.50 Not Sampled 5.10
July 4.30 6.22 9.05 5.60 6.60
August 4.05 6.37 9.70 4.90 6.90
September 4.00 7.06 10.20 6.50 5.70
October 4.90 8.63 11.15 7.70 8.20
November 6.80 9.14 12.50 7.20 9.30
December 7.20 10.55 13.90 Not Sampled Not Sampled

NOTE: Results displayed are provisional and have not undergone full Quality Assurance procedures. Although Maryland DNR believes the data presented here are correct, we cannot guarantee their accuracy at this time.

Choose Other Parameters:
Dissolved
Oxygen
Water
Temperature
Salinity pH Water
Clarity

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Additional water quality data, including nutrient data, is currently available through the Chesapeake Bay Program Data Hub.

Contact MD DNR's Resource Assessment Service at (410) 260-8630
or by email at eyesonthebay@dnr.state.md.us.


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