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Charlotte Harbor Estuaries Volunteer Water Quality Monitoring Network (CHEVWQMN)

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Water Quality Sampling Sites
Hydrology Sampling Sites

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Select from one of the 53 monitoring sites below to view water quality information.

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The Charlotte Harbor estuarine complex extends from Venice south to Bonita Springs, encompassing over 200,000 acres of diverse coastal and estuarine habitats.  It is located within Sarasota, Charlotte and Lee Counties.  North to south, there are six legislatively designated Florida Aquatic Preserves contained within the estuarine complex: Lemon Bay Aquatic Preserve, Gasparilla Sound-Charlotte Harbor Aquatic Preserve, Cape Haze Aquatic Preserve, Pine Island Sound Aquatic Preserve, Matlacha Pass Aquatic Preserve, and Estero Bay Aquatic Preserve.

The mission of the Aquatic Preserve Program is to protect and maintain the natural conditions of aquatic preserves for future generations.  The primary activities are resource monitoring and management, and education and outreach.  The Aquatic Preserve Program is overseen by the Florida Department of Environmental Protection (FDEP), Florida Office of Resilience and Coastal Protection (RCP).  The local Aquatic Preserve offices include the Charlotte Harbor Aquatic Preserves (CHAP), located in Punta Gorda, and the Estero Bay Aquatic Preserve (EBAP), located in Fort Myers Beach.

The Charlotte Harbor Estuaries Volunteer Water Quality Monitoring Program (CHEVWQMN) is a region-wide, fixed station, monthly water quality monitoring program, and has been providing reliable water quality data for over 20 years.  It was initiated to address the need of aquatic preserve resource managers to obtain baseline resource information and citizens' concerns about the health of local estuaries.  Originally begun in 1994 in the Lemon Bay Aquatic Preserve as Three Creek Watch under the Lemon Bay Conservancy, the program later expanded to the Gasparilla Sound-Charlotte Harbor Aquatic Preserve in 1996 as the CHEVWQMN.  Initially, the CHEVWQMN was overseen by the Charlotte Harbor Environmental Center (CHEC) to sample ten sites in northern Charlotte Harbor. In 1998 CHAP began managing the program, and expanded to include fifty sites, of which forty-six are still active, in the six aquatic preserves, as well as San Carlos Bay. [map]

The CHEVWQMN program involves close coordination with many local citizens who volunteer their time to perform the sampling each month. In addition, CHEC and the Coastal & Heartland National Estuary Partnership (CHNEP) offer support by providing local volunteer coordinators for the Lemon Bay and Pine Island Sound/Matlacha Pass areas, respectively.  The program continues to be administered through the CHAP office.

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For more information about this program, please contact:

Volunteers are THE critical component to the success of the monitoring program. If you would like to learn more about your local estuaries; have questions or comments; or for information on how to become a volunteer, please contact:

Melynda (Mindy) Brown

Phone: (941) 575-5861