St. Croix Conservation Collaborative:

http://basineducation.uwex.edu/stcroix/ConCollaborative/HomeSCCCollective.htm
St. Croix River Association:

http://www.stcroixriverassociation.org
The Nature Conservancy conservation program for the St. Croix:

http://conserveonline.org/workspaces/stcroix/documents/
The Nature Conservancy study to identify areas of aquatic biodiversity significance in the Upper Mississippi River Basin.

http://www.natureserve.org/publications/upperMSriverbasin.jsp

Groundwater Studies

Groundwater susceptibility in the St. Croix Basin:
http://pubs.usgs.gov/sir/2007/5112/
Highlights of the St. Croix Valley:
http://www.gordonflowage.com
Natural Treasures of the St. Croix River Valley:

http://www.greatrivergreening.org/treasures/default.asp
St. Croix Scenic Byway:

http://www.stcroixscenicbyway.org
MDNR rivers managed for canoeing and kayaking:

http://www.mndnr.gov/watertrails
 

Land Use Classification

Dr. Marv Bauer’s classification of the St. Croix River Basin:

http://gis.umn.edu/~mbauer/download/St.Croix_Basin_classifications
 

Modeling Systems

TAPwaters project:

http://www.smm.org/scwrs/tapwaters
USGS SPARROW modeling:

http://water.usgs.gov/nawqa/sparrow
USGS Gulf Hypoxia modeling:

http://water.usgs.gov/nawqa/sparrow/gulf_findings

Monitoring Data

 
EPA STORET:

http://www.epa.gov/storet/dw_home.html
St. Croix River Monitoring report, 2008
http://science.nature.nps.gov/im/units/GLKN/reports/WaterQuality/2007_SACNwq_report_final.pdf
 

St. Croix Watershed Research Station

Annual Research Rendezvous abstracts:

http://www.smm.org/scwrs/publications/conference/
 

TMDL

Lake St Croix TMDL- Excess Nutrients:
http://www.pca.state.mn.us/water/tmdl/project-stcroix-nutrients.html 
Completed TMDLs:

http://www.pca.state.mn.us/water/tmdl/tmdl-approved.html
Lake TMDL protocols:

http://www.pca.state.mn.us/publications/wq-iw1-10.pdf
Bioavailable P:

http://www.pca.state.mn.us/publications/reports/pstudy-section3-4.pdf
EPA’s Nineteen Allocation Schemes:
http://www.epa.gov/waterscience/models/allocation/19schemes.htm

USGS Gage Sites

Prescott:

http://waterdata.usgs.gov/mn/nwis/uvcb_00045=on&cb_00065=on&cb_00055=on&cb_00011=on&format=gif_default&period=7&site_no=05344490 
St. Croix Falls:

http://waterdata.usgs.gov/nwis/uv?05340500
Norway Point:

http://waterdata.usgs.gov/nwis/uv?05336000
Danbury:

http://waterdata.usgs.gov/nwis/uv?05333500
Namekagon River near Cable:

http://waterdata.usgs.gov/nwis/uv?05331833
 

USGS Publications used in the Phosphorus reduction goal setting

 
Lenz, Bernard N., Dale M. Robertson, James Fallon, and Randy Ferrin. 2001. Revised 2003. Nutrient and Suspended-Sediment Concentrations and Loads and Benthic-Invertebrate Data for Tributaries to the St. Croix River, Wisconsin and Minnesota, 1996-1999. U.S. Geological Survey. Water-Resources Investigations Report 01-4162.
http://wi.water.usgs.gov/pubs/wrir-01-4162/ 
 

Robertson, Dale M., and Bernard Lenz. 2003. Response of the St. Croix River Pools, Wisconsin and Minnesota, to Various Phosphorus-Loading Scenarios. United States Geological Survey. Water-Resources Investigations Report 02-4181.
http://wi.water.usgs.gov/pubs/wrir-02-4181/
(Note the publication year on this is 2002)
 

Lenz, B.N., 2004, Analysis of stream flow and water-quality data at two long-term monitoring sites on the St. Croix River, Wisconsin and Minnesota: U.S. Geological Survey Water-Resources Investigations Report 03–4334, 8 p.

http://pubs.usgs.gov/wri/wri034334

Watershed District Information

 
The Comfort Lake-Forest Lake Watershed District:

http://www.clflwd.org
Carnelian-Marine-St. Croix Watershed District:

http://cmscwd.org/default.aspx
 

Watershed Studies

St. Croix Reconnaissance Study:

http://www.mvp.usace.army.mil/docs/projs/1008stcroixrecon.pdf
Sunrise River Watershed Study overview:

http://www.co.chisago.mn.us/article.aspx?Id=dbf532a3-54e5-4906-80f2-64679580d6f8