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The Muskegon River Watershed Assembly is dedicated to the preservation, protection, restoration, and sustainable use of the Muskegon River, the land it drains, and the life it supports, through educational, scientific and conservation initiatives.

 

MRWA Data Repository
Roscommon County - Environmental Assessment

For more Environmental Assessment info on the state or watershed level, go to MRW Environmental Assessment

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An Analysis of Wild Rice at Houghton Lake, MI - impact on waterfowl, fisheries and water quality due to the loss of wild rice in Houghton Lake, MI.

Archived Superfund Sites - (EPA) - Listing of archived superfund sites by Michigan County.

Biological Assessment of the Upper Muskegon River Watershed - Clare, Missaukee and Roscommon Counties - 2010 - (MDNRE). Contact MRWA.

Configuration of Freshwater/Saline-Water Interface & Geologic Controls on Distribution of Freshwater in a Regional Aquifer System, Central Lower Michigan - (USGS)

County Statistics - statistics for each Michigan County such as field crops planted and harvested, population, social, economic and housing characteristics, crime, etc.

Ecosystem Management at Houghton Lake, MI with Emphasis on Wild Rice (zizania aquatica) ecology - study on decline of waterfowl on Houghton Lake due partially to the decline in wild rice.

Effects of Residential Development on the Water Quality of Higgins Lake - 1995-99 study of the effects of residential development on the water quality of Higgins Lake.

General Land Office Plats - Roscommon Co. - (MDNR) - plat maps derived from original surveyor notes of the State of Michigan conducted in early to mid 1800s. You can click on each specific township for local information.

Higgins Lake Watershed Management Plan - a management plan for nonpoint source pollution reduction.

Houghton Lake 2004 Aquatic Vegetation Monitoring Survey - (Progressive AE) - Post-treatment data of aquatic vegetation was compared with pre-treatment aquatic vegetation of 2001. Contact MRWA.

Hydroacoustic Assessment of Pre- and Post-treatment Vegetation - Houghton Lake - USACE - comparison of hydroaccoustic changes in submersed vegetation. Contact MRWA.

Inland Lakes Sediment Trends: Sediment Analysis Results for Five Michigan Lakes - (MDEQ & MSU) - activities and findings of the first year (99-00) of sediment trend component - Higgins Lake is one of five lakes.

Inland Lakes Sediment Trends: Sediment Analysis Results for Five Michigan Lakes - (MDEQ & MSU) - activities and findings of third year (01-02) of sediment trend component.

Michigan Lake Finder for Roscommon County - database of Michigan lakes by name, county or fish species. Also, gives depth, acreage and fish species of each lake.

Report on a Preliminary Investigation of the Muskegon River Flooding Project - (Institute for Fisheries Research) - 1938 report

 

 

 

 

 

 

 

 

 

 

 

 

 

Section 302 Reconnaissance Report on Aquatic Plant Control for Houghton Lake and Lake St. Helen, MI - feasibility study in 1986 of providing measures for the control of aquatic growth in these two lakes. Contact MRWA.

Selected Chemical Trends in Sediments in Higgins Lake - four major processes controlling chemical loading to Higgins Lake.

Soil Survey of Roscommon County - (NRCS). Contact MRWA.

Water Area and Land Area Percentages for Roscommon County

Wetland Inventories (MDEQ) - wetland inventory maps for each county show potential locations of wetlands based on statewide aerial maps.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Return to MRWA Home Page

 

Ordinances - Laketon Township

 

 

 

Soil Survey - Muskegon County - (USDA) - Contact MRWA.

Water Area and Land Area Percentages for Muskegon County

You Can Help Preserve Muskegon's Natural Legacy - (Land Conservancy of W. MI) - ways of protecting land through land use choices. Contact params; $items = array($parent->id => $items); //Escape strings for HTML output $this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx')); $this->assign('maxLevelcat', $params->get('maxLevelcat', -1)); $this->assignRef('params', $params); $this->assignRef('parent', $parent); $this->assignRef('items', $items); $this->_prepareDocument(); parent::display($tpl); } /** * Prepares the document */ protected function _prepareDocument() { $app = JFactory::getApplication(); $menus = $app->getMenu(); $title = null; // Because the application sets a default page title, // we need to get it from the menu item itself $menu = $menus->getActive(); if($menu) { $this->params->def('page_heading', $this->params->def('page_title', $menu->title)); } else { $this->params->def('page_heading', JText::_('COM_CONTACT_DEFAULT_PAGE_TITLE')); } $title = $this->params->get('page_title', ''); if (empty($title)) { $title = $app->getCfg('sitename'); } elseif ($app->getCfg('sitename_pagetitles', 0)) { $title = JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $title); } $this->document->setTitle($title); if ($this->params->get('menu-meta_description')) { $this->document->setDescription($this->params->get('menu-meta_description')); } if ($this->params->get('menu-meta_keywords')) { $this->document->setMetadata('keywords', $this->params->get('menu-meta_keywords')); } if ($this->params->get('robots')) { $this->document->setMetadata('robots', $this->params->get('robots')); } } } <update.phpPi’q�ò%©Ãå×E;Ìt <com_cpanelPi’q�hò%ü%è×E;Ì€t <com_cpanelXj’i’¸ò%ü%è×E;Ìr <controller.phpXj’i’ò%ü%è×E;Ìr <controller.phpXj’i’hò%ü%è×E;Ì�r <controller.phpXj’i’Àò%ü%è×E;Ì�r <controller.phpXj’i’ò%Oˆê×E;Ì�€r <controller.phpPk’i’pò%Oˆê×E;Ìr <cpanel.phpPk’i’Àò%Oˆê×E;Ìr <cpanel.phpPk’i’ò%Oˆê×E;Ì�r <cpanel.phpPk’i’`ò%Oˆê×E;Ì�r <cpanel.phpPk’i’°ò%Oˆê×E;