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    • Home
    • About Us
      • About
      • Board of Directors
      • Joint Power Members
      • Legislators
      • Year In Review
    • Contact Us
    • Minutes
    • Grants
      • Grants
      • CW-MM 1W1P Planning Grant
      • Redwood 1W1P Planning
      • Pell Creek Grant
      • Plum Creek Grant
      • Lake Redwood Reclamation
      • Redwood-Time Lapse Videos
      • Monitoring
      • Cottonwood River
      • Redwood River
      • Discovery Farms
      • Cottonwood WRAPS
      • Redwood WRAPS
      • Middle MN SWAG Grant
    • Reporting
    • Outreach

507-532-1325 Email: joy.bruns@rcrca.com

rcrca.COM

rcrca.COMrcrca.COMrcrca.COM
  • Home
  • About Us
    • About
    • Board of Directors
    • Joint Power Members
    • Legislators
    • Year In Review
  • Contact Us
  • Minutes
  • Grants
    • Grants
    • CW-MM 1W1P Planning Grant
    • Redwood 1W1P Planning
    • Pell Creek Grant
    • Plum Creek Grant
    • Lake Redwood Reclamation
    • Redwood-Time Lapse Videos
    • Monitoring
    • Cottonwood River
    • Redwood River
    • Discovery Farms
    • Cottonwood WRAPS
    • Redwood WRAPS
    • Middle MN SWAG Grant
  • Reporting
  • Outreach

Cottonwood River Monitoring

Collecting a river water sample.

COTTONWOOD RIVER MONITORING

The purpose of the Cottonwood River Diagnostic Study was to identify sediment and nutrient contributions of various tributaries to the Cottonwood River, and to determine reductions necessary to meet both state and local goals. To help achieve this purpose, water quality monitoring efforts have been based on a three-tier system. Primary, secondary, and tertiary monitoring stations have been developed to assess areas of the watershed delivering the greatest amount of sediment and nutrients to the Cottonwood River. This information has been used to select priority management areas addressed in the implementation plan.

Stream monitoring methods closely followed those listed in the monitoring plan. The only significant change over the past three years was to reduce the number of flow and sampling stations from nine in 1997, to five in 1998, and to extend monitoring at these stations into 1999. 


By receiving the Phase II Clean Water Partnership grant in March 2000, RCRCA will be able to continue to monitor the Cottonwood River Watershed. Three adjustments were made to the monitoring network used in 1999. First, sampling station  PLC001, Cottonwood River at New Ulm, will be reestablished. Additional data collection at this station is needed to help understand sediment loading in the lower portion of the river. Another adjustment is the addition of a sampling station (PMC200) on the main stem near Lamberton. The location of this site coincides with the early flood warning monitoring station maintained by the Department of Natural Resources and U.S. Geological Survey. The third change is to discontinue the Highwater/Dutch Charley monitoring station due to scheduled bridge replacement at the established site.  Sampling stations PLC010 (Cottonwood River near Leavenworth), PLS005 (Sleepy Eye Creek near Leavenworth) and TUP (Plum Creek) will be retained.

Map of the Cottonwood River Watershed Sampling Locations

Cottonwood river sampling stations 1997 to present

Lake Sampling

PLC001: Monitored in 1997, 2000 to present.

Primary site on Cottonwood River in New Ulm. Location Lat. 40°17'29", Long. 94°26'24", in SW 1/4, NE 1/4 Section 33, T110, R30W, Brown County, by the bridge on Cottonwood Street.

PLS005: Monitored in 1997 to present.

Primary site on Sleepy Eye Creek near Cobden, MN. Location: Lat. 40°15'41", Long. 94°49'35", in Leavenworth Township, Section 9, T109N, R33W, Brown County, at bridge on County Road 8, 2 miles north of Leavenworth.

PLC010: Monitored in 1997 to present.

Primary site on Cottonwood River near the community of Leavenworth. Location: Lat 44°13'39", Long. 94°48'22", in SW 1/4, SE 1/4 of Leavenworth Township, Section 21, Brown County T109N, R33W, at bridge on County Road 8, 0.2 miles north of Leavenworth.

PMC020: Monitored in 2000-2012.

Primary site on Cottonwood located in Lamberton Township, between sections 13 and 24, Redwood County, T109N, R37W at bridge on Hwy 14, 0.5 miles east of Lamberton. 

TUP: Monitored in 1997-2012.

Tertiary site near mouth of Plum Creek, North Hero Township, Section 3 and 4 line, 3.5 miles northeast of Walnut Grove in Redwood County, County Road 10.

Cottonwood River - Chemical Data

2024_CT29_ChemData (pdf)

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2023_CT29_ChemData (pdf)

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2022_Chemical_ Data_Cottonwood River (pdf)

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2021_Chemical_Data_Cottonwood_River (pdf)

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2020_Chemical_Data_Cottonwood_River (pdf)

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2019_Chemical_Data_Cottonwood_River (pdf)

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2018_Chemical_Data_Cottonwood_River (pdf)

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2017_Chemical_Data_Cottonwood_River (pdf)

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2016_Chemical_Data_Cottonwood_River (pdf)

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2015_Chemical_Data_Cottonwood_River (pdf)

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2014_Chemical_Data_Cottonwood_River (pdf)

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2013_Chemical_Data_Cottonwood_River (pdf)

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2012_Chemical_Data_Cottonwood_River (pdf)

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Cottonwood River - Field Data

2024_CT29_FieldData (pdf)

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2023_CT29_FieldData (pdf)

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2022_Field_Data_Cottonwood River (pdf)

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2021_Field_Data_Cottonwood_River (pdf)

Download

2020_Field_Data_Cottonwood_River (pdf)

Download

2019_Field_Data_Cottonwood_River (pdf)

Download

2018_Field_Data_Cottonwood_River (pdf)

Download

2017_Field_Data_Cottonwood_River (pdf)

Download

2016_Field_Data_Cottonwood_River (pdf)

Download

2015_Field_Data_Cottonwood_River (pdf)

Download

2014_Field_Data_Cottonwood_River (pdf)

Download

2013_Field_Data_Cottonwood_River (pdf)

Download

2012_Field_Data_Cottonwood_River (pdf)

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