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SurveysSurveys are the method for collecting quantitative information on an area of interest. The District uses surveys to acquire information from residents about attitudes, behaviors and knowledge regarding water conservation and water quality.2025 October Weeki Wachee River Campaign Annual Survey Report2025, 441 Respondents During the summers of 2021, 2022, 2023, 2024 and 2025 the District led a campaign providing science-based recommendations to users of…
Stormwater SystemsA stormwater system is designed to collect and manage runoff from rainwater. They are specifically designed to help prevent flooding and remove pollutants from the water, and they are required for most new development since the 1980s. When rainwater lands on rooftops, parking lots, streets, driveways and other hard surfaces, the rainfall that doesn’t soak into the ground is called stormwater runoff. Stormwater runoff carries pollutants such as litter…
Your Questions Answered
December 2020
Q: What does data collection mean?
A: Data collection is the process of gathering, measuring and analyzing specific information to fix a problem. District geologists perform data collection to help answer scientific and engineering questions in managing water supplies, preserving natural systems and protecting against flooding. The District's Data Collection Bureau…
February 2025Q: What is an invasive species?A: An invasive species is an organism that does not naturally occur in a specified geographic area, has been introduced intentionally or unintentionally by humans, and either does or could harm the environment, economy or human health. Invasive species pose a significant threat to Florida's ecosystems by impacting water quality, native habitats and biodiversity. Both aquatic and…
January 2023
Q: What is vegetation management?
A: Vegetation management is the targeted control of nuisance and invasive exotic vegetation. These operations are conducted on both District-owned lands and on District-managed public waterbodies. This includes the control of both aquatic vegetation, growing in or near water, and terrestrial vegetation, growing on land.
Q: Why is vegetation management important…
About the FARMS ProgramFARMS is an agricultural cost-share reimbursement program that reduces groundwater withdrawals from the Upper Floridan aquifer through conservation and alternative water supply best management practices (BMPs). In conjunction with water conservation BMPs, water quality and natural systems improvement BMPs also may be cost-shared in priority areas.The program is designed to serve as an incentive to the agricultural community to promote water…
All residents under one-day-per-week watering restrictions The Southwest Florida Water Management District (District) Governing Board voted today to declare a Modified Phase II “Severe” Water Shortage due to dry conditions throughout the region, which requires all residents, including those on private wells, in the cities and counties listed below to follow one-day-per-week watering restrictions.The restrictions apply to all of Citrus, DeSoto,…
Highlights
- Weeki Wachee Springs are the headwaters of the Weeki Wachee River
- The headspring is home to Weeki Wachee Springs State Park, which features a water park and the famous underwater mermaid show
- Located in Hernando County
- First magnitude spring: 260-square-mile springshed
- Potential decrease in historic flows
- Elevated…
In 1987 the Florida Legislature created the Surface Water Improvement and Management (SWIM) Act to protect, restore and maintain Florida's highly threatened surface water bodies. Under this act, the state's five water management districts identify a list of priority water bodies within their authority and implement plans to improve them. The District's SWIM Program The Southwest Florida Water Management District's Surface Water Improvement and Management…
Sinkholes are a common naturally occurring geologic phenomenon and one of the predominant land forms in Florida.Many of the lakes in Florida are relic sinkholes. Sinkholes can be classified as geologic hazards sometimes causing extensive damage to structures and roads resulting in costly repairs. Sinkholes can also threaten water supplies by draining unfiltered water from streams, lakes and wetlands directly into the aquifer (underground water supply). What if a…
Highlights
- Largest natural lake in Hillsborough County with a surface area of greater than 800 acres
- Popular for recreational use as it is one of the few natural lakes in the area with public access
- Discharges into the Hillsborough River which is used for municipal water supply for the City of Tampa
- Nutrient loadings from the watershed have caused extreme…
Your Questions Answered
March 2022
Q: Is there a rainy season and dry season in central Florida?
A: Yes, rainfall is seasonal. Our rainy season is a four-month period from June through September, with average rainfall of about 7.8 inches each month. About 60 percent of our average annual rainfall is received during that time. The higher rainfall results in rising water levels in wells, lakes, rivers and springs…
Learn more about District Planning Regions on our Regional Water Supply Plan page.
The Southwest Florida Water Management District’s (District) Governing Board declared April Water Conservation Month at its March 25 meeting. April is historically one of the driest months of the year and typically marks the peak demand season for public water suppliers. With these 10 simple tips, you can lower your monthly water bill and do your part to save hundreds of gallons of water: INDOOR
- Only run your washing machine and…
Sarasota Bay SWIM Plan Update The Surface Water Improvement and Management, or SWIM, program evaluates priority water bodies, identifies challenges and implements projects to improve water quality and natural systems. The District is currently updating the SWIM plan for Sarasota Bay and the draft plan is below: Public WorkshopThe District held an in-person workshop on Wednesday, Sept. 10, 2025, from 5:30-7:00 p.m. at the Bay Preserve Carriage House. District…
Your Questions AnsweredOctober 2021Record amounts of rainfall in some areas over the summer has highlighted the importance of stormwater ponds to help prevent flooding and improve water quality throughout the region. You may have seen stormwater ponds throughout neighborhoods and commercial developments in Florida but might not know about their purpose as many people often mistake stormwater ponds for natural water bodies. Southwest Florida Water Management…
Rainbow Springs is known for its outstanding water clarity and is popular for swimming and paddling. About the SpringsThe Rainbow River is a first-magnitude spring system originating in Marion County. Rainbow Springs is the headwaters of this short, freshwater river flowing nearly 6 miles from the headsprings to where it meets the Withlacoochee River. …
April is Water Conservation Month across the state because this month is traditionally one of the driest of the year and typically marks the peak demand season for public water suppliers.
It’s also a good time to remember there are a number of easy ways to save water and money.
Some simple habits can make a big difference by saving thousands of gallons per year. Other changes may save only a few drops at a time, but when multiplied by almost five million residents…