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Prior Lake Spring Lake Watershed District

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1993 Diagnostic & Feasibility Study of Spring and Prior Lakes Document

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1993 Diagnostic & Feasibility Study of Spring and Prior Lakes Document

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1983 Diagnostic & Feasibility Study of Spring Lake Document

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Original Land Survey (1854) Document

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Water Quality Report Card (2014 – 2016) Document

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Aquatic Vegetation Density Mapping – BioBase 2015 Report Document

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2016 Ferric Chloride System NPDES Report Document

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2015 Spring Lake Aquatic Vegetation Survey and Curlyleaf Pondweed Assessment Document

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Carp Management Project Factsheet Document

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2015 Ferric Chloride System NPDES Report Document

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2014 Spring Lake – Curlyleaf Pondweed Full Report Document

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2014 Ferric Chloride System NPDES Report Document

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2013 Spring Lake Aquatic Vegetation Survey and Curlyleaf Pondweed Assessment Document

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2013 Pre-settlement Water Quality and Algal Change in Spring Lake Document

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2013 Historical Water Quality and Ecological Change in Spring Lake Document

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2013 Ferric Chloride System NPDES Report Document

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Spring Lake Sediment Core Analysis, Alum Dose Determination and Application Plan Document

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2012 Spring Lake Aquatic Vegetation Survey and Curlyleaf Pondweed Assessment Document

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Spring Lake Carp Tagging 2012 Document

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2012 Ferric Chloride System NPDES Report Document

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2011 Spring Lake Aquatic Vegetation Survey and Curlyleaf Pondweed Assessment Document

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2010 Spring Lake Aquatic Vegetation Survey and Curlyleaf Pondweed Assessment Document

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2010 Spring Lake Sediment Study – Pre and Post Settlement Nutrient and Heavy Metal Accumulation Document

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PLSLWD Upper Watershed Assessment (2010) Document

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2008 Curlyleaf and Eurasian Watermilfoil Growth Potential based on Lake Sediment Characteristics for Spring Lake – Detailed Document

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2008 Curlyleaf and Eurasian Watermilfoil Growth Potential based on Lake Sediment Characteristics for Spring, Fish, Upper Prior, and Lower Prior Lakes Document

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1993 Diagnostic & Feasibility Study of Spring and Prior Lakes Document

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1993 Diagnostic & Feasibility Study of Spring and Prior Lakes Document

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1983 Diagnostic & Feasibility Study of Spring Lake Document

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Original Land Survey (1854) Document

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Restore Your Shore Workshop - Thursday, July 18 Spring Lake Township Hall 6-7pm News

Join the Scott SWCD and the Prior Lake-Spring Lake Watershed District for an introductory workshop on restoring eroding shorelines and beautifying the area between your yard and the lake

PLSLWD Announces "Watershed Week" News

Join the Prior Lake-Spring Lake Watershed District for Watershed Week, July 7-13.

Spring Lake Alum Treatment Project

PLSLWD treated Spring Lake with Aluminum Sulfate (Alum) in 2013, 2018, and 2020.

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Ferric Chloride Treatment Facility Project

The Ferric Chloride Treatment Facility is one of the District's "nutrient reduction powerhouses". Reducing nutrients reaching Spring Lake is essential for preventing algal blooms and other water quality problems.

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Raymond Park Restoration Project Project

The restoration project includes buckthorn removal, an oak savanna restoration, beach plant community restoration, shoreline restoration and replacing the existing turf grass with low-maintenance grass.

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Spring Lake Shoreline Restoration Project

Shoreline restoration prevents soil erosion from entering our lake, as well as providing filtration for other pollutants. Native plants provide bank stabilization, water filtration, and habitat improvement. Three main shoreline restoration techniques were used to stabilize these areas: brush bundles, cedar revetment and native plantings with erosion control blanket.

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CR 12/17 Wetland Restoration Project

The CR12/17 Wetland Restoration Project is an innovative stormwater treatment project intended to improve water quality in Spring Lake.

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