St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District
St. Johns River Water Management District - floridaswater.com
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HAW (Haw Creek)

Site Photograph

Basin characterization

812.920 km²

Location: latitude 29°23 49.053”, longitude 81°25’42.428”, GPS datum—WGS-1984 Station HAW is located at the outlet of Haw Creek on Dead Lake.

Point sources: There are no wastewater treatment facilities within a five-mile radius or within the drainage basin of this water quality site.

Site Photograph

this site is located on Haw Creek about 10 miles southwest of Bunnell in Flagler County in northeast Florida. It receives its waters from the wetlands to the southeast and from Little Haw Creek to the south, which flows from Lake Disston. The quickest access to Haw Creek is from a private boat ramp at the Bull Creek Fish Camp located in St. Johns Park about 2 miles north of the site.

Haw Creek flows into the junction of the southeast corner of Crescent Lake and the south end of Dead Lake. This is a very beautiful area with abundant wildlife to be observed. The Crescent Lake Conservation Area and the Haw Creek Preserve provide over 4,500 acres of protected wetlands and forests around Haw Creek and they offer great opportunities for outhoors recreational activities.

The nearby waters of Crescent Lake and Dead Lake are known throughout the southeastern United States as great places to fish for trophy size bass and speckled perch. Crescent Lake is also known for the large alligators taken there during alligator hunting season, some in the 12–13-foot range.

Site and Watershed Locator Map

Quick links

All of the maps and charts shown below were created using a customized GIS data summary tool, with the watershed generated by Arc Hydro for this monitoring station. More information about Arc Hydro can be found by going to the Technical background page. From that page, a description of the customized GIS data summary tool can be accessed.

Spatial data summaries

Download spatial data summaries Excel Icon

2000 population density

Population data is collected by the Census Bureau every 10 years and is used to show the distribution of population in a number of ways. Population density has a direct impact on land use, which effects water quality in areas around or near water bodies. This map displays the 2000 population density per square kilometer within this surface water catchment. The legend shows the area for each class in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for the 2000 population density.

Watershed Population Density

General land use 2000

Land use, which is usually derived from aerial photography by photo interpreters, shows the distribution of land and how it is used. Land use affects the water quality of water bodies through water runoff within a surface water catchment. This map displays the distribution of eight categories of general land use within this surface water catchment. The legend shows the area for each category in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for general land use 2000.

Watershed General Land Use

Geology

The geology of the state of Florida was delineated by the Florida Geological Survey. Water quality is impacted by the underlying geology of streams and lakes. This map displays the underlying geological formations within this surface water catchment. The legend shows the area for each type of formation in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for geology.

Watershed Geology

Physiographic divisions

Physiography describes the earth’s exterior physical features. These are divided into general groups and then subgroups containing features such as uplands, hills, ridges, plains, valleys, karst, etc. Water quality is affected through water runoff by physiography. This map displays the more detailed physiographic subdistricts within this surface water catchment. The legend shows the area for each subdistrict in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for physiographic divisions.

Watershed Physiographic Divisions

2004 rainfall

Rainfall data comes from radar imaging as well as rainfall gauge surveys. Rainfall affects water quality through runoff within the surface water drainage basins. This map displays the total daily rainfall in inches for each pixel for 2004 within each surface water catchment. The legend shows the area for each rainfall range in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for 2004 rainfall.

Watershed Rainfall

St. Johns River Water Management District and other public lands

The St. Johns River Water Management District (SJRWMD) purchases lands that are in environmentally sensitive areas to protect the water resources on, beneath or adjoining the property. Water quality is affected in water bodies adjacent to these protected lands. This map displays the lands owned, jointly owned, being considered for purchase, or lands through which SJRWMD has an easement. The legend shows the area of these lands in acres and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for SJRWMD and public lands.

Watershed Public Lands

Soils drainage

Soils drainage characteristics can also impact surface water runoff, a source of nonpoint pollution for adjacent water bodies, which effects water quality. This map displays water bodies and soil drainage characteristics. The legend shows the area of these soils in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for soils drainage.

Watershed Soils Drainage

5-foot elevation — DEM

Land elevation influences rainfall runoff, which effects the surface water quality, as water moves through the landscape to the rivers, streams, and lakes. This map with accompanying legend displays the maximum (MAX), minimum (MIN), range, standard deviation (STD) and mean of 5-foot elevations within the surface water drainage area (watershed). More complete metadata can be found by clicking on the metadata link for 5-foot elevation-DEM (Digital Elevation Model).

Watershed 5-Foot Elevation

Recharge 1995

In some areas of SJRWMD, the Floridan aquifer is at or near land surface and is vulnerable to pollutants that threaten our drinking water supply. It is especially important to preserve surface water quality in these areas. This map displays recharge to the Floridan aquifer in inches per year (in/yr) within this surface water drainage catchment. Discharge, where the potentiometric surface is greater than the land surface elevation, is also shown. The area for each class is shown in square kilometers and the percentage of area in descending order. More complete metadata can be found by clicking on the metadata link for recharge 1995.

Watershed Recharge

Arc Hydro model

The map below contains selected features from the St. Johns River Water Management District (SJRWMD) Arc Hydro geodatabase. The introduction of the SJRWMD Arc Hydro geodatabase made the creation of these fact pages possible, by providing improved geographic information system (GIS) data that has been combined into a GIS network. This hydrologically based network does for water resources what the commonly used mapping websites (such as MapBlast, MapQuest and GoogleMaps) have done for travel planning, except that instead of interstates, highways and roads, this hydrologic network shows streams, rivers, lakes and wetlands. Similar to transportation mapping sites, information about water resources has been related, or linked, to the GIS network and can be easily accessed. The legend to the right of the map includes the Arc Hydro network, Arc Hydro Polygon Feature Classes and HydroPoints. The features included in the Arc Hydro Network exist to establish relationships based on surface water flow. The lines (HydroEdges) may represent streams or rivers, which are commonly displayed as lines on maps. The lines may also represent, in a “shorthand” way, the concept of surface water flow through a lake or a wetland, which are not routinely displayed as lines. The features in the Arc Hydro Polygon Feature Classes and HydroPoints represent some of the water resources information that has been linked to the Arc Hydro GIS network. HDS in the map legend below refers to the District’s Water Resource Information program and NWIS refers to the National Water Information System, which is part of the United States Geological Survey (USGS). See Technical Background for a more detailed explanation of the SJRWMD Arc Hydro technology and its features.

Arc Hydro Model Graphic

Clicking on the Methodology link will direct you to information about how water quality samples were collected, analyzed, and summarized for this fact page. View the most recent Water Quality Status and Trends Report.

Water quality

Download water quality data

Haw Creek is located in western Flagler County and drains Sweetwater Swamp into Crescent Lake. It is sampled at its mouth, every other month, as part of the ambient monitoring program. The creek is about 3.8 meters deep at the sample site and has a typical temperature range. When compared to other streams, conductivity and major ion concentrations are typical, resulting in moderately hard water. The median dissolved oxygen concentration is lower than that found in a typical stream in the District. The water has poor buffering capacity and is acidic. Total organic carbon concentrations and color are both high, although the Secchi depth is typical. Total suspended solids, turbidity, total nitrogen, total phosphorus, and chlorophyll concentrations are typical for streams. The creek has poor water quality at the sample site, according to the water quality index.

Analytes Data Yrs N Data Min Q1 Median Q3 Max Range
Water temperature (°C) 15 89 10.20 17.10 22.30 26.80 30.90 mid
Secchi disc transparency (meters) 15 89 0.19 0.35 0.50 0.60 1.00 mid
Color (platinum-cobalt units) 15 90 50.00 175.00 300.00 500.00 1440.00 high
Specific conductance (µhmhos/cm @ 25° C) 15 89 98.00 205.00 436.00 714.00 1320.00 mid
Sample collection depth (meters) 15 89 0.50 0.50 0.50 0.50 0.50 high
Dissolved oxygen analysis by probe (mg/L) 15 88 0.73 2.63 4.19 5.43 9.90 mid-lo
pH (standard units) 15 87 4.67 5.75 6.17 6.78 8.44 low
Total alkalinity (mg/L as CaCO3) 15 90 3.15 7.39 18.46 37.67 75.01 low
Total nonfiltrable residue (mg/L) 15 90 0.00 3.00 5.00 6.00 18.00 mid
Total nitrogen (mg/L as N) 15 90 0.97 1.28 1.48 1.74 2.57 mid
Total phosphorus (mg/L as P) 15 90 0.04 0.07 0.10 0.15 0.65 mid
Total organic carbon (mg/L as C) 15 90 -0.34 23.28 30.80 40.96 62.39 high
Total calcium (mg/L as Ca) 15 90 5.91 11.00 20.55 37.00 86.23 mid-lo
Total magnesium (mg/L as Mg) 15 90 1.55 3.50 8.49 14.40 26.84 mid
Total sodium (mg/L as Na) 15 90 10.50 18.36 43.87 71.37 143.40 mid
Total potassium (mg/L as K) 15 90 -0.10 1.65 2.43 3.90 22.24 mid-lo
Total chloride (mg/L) 15 90 2.02 37.76 92.97 165.97 266.75 mid-hi
Total sulfate (mg/L as SO4) 15 89 0.01 7.33 24.17 40.00 74.25 mid
wqi 15 90 41.80 53.45 61.46 66.02 81.05 mid-hi
Trichromatic uncorrected chlorophyll-a (µg/L) 15 85 0.01 0.83 7.55 22.30 97.41 mid
Hardness (mg/L Ca+Mg) 15 90 0.08 37.90 88.18 151.79 325.85 mid-lo
Total filtrable residue (mg/L dried at 180° C) 15 90 10.00 192.00 305.00 451.00 850.00 mid
Lab turbidity (NTU) 15 90 1.00 2.60 3.50 5.50 14.30 mid
Sample site depth (meters) 15 88 1.90 3.40 3.80 4.20 5.20 high

 

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St. Johns River Water Management District
4049 Reid Street, Palatka, FL 32177
(800) 725-5922