Seminole County Water Atlas


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Howell Creek Watershed

Howell Creek Watershed

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Description

Explore general as well as scientific information about the movement, chemistry and biology of area surface and ground water environments.

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Water Quality sampling site
Hydrology sampling site
Closest Rainfall site
Rainfall sampling site
Multi-type sampling site
Other sampling site
 

Water Quality

The following data are summarized as seasonal average values for lake and river sampling locations located within the watershed. While these data are useful to serve as a general picture of watershed health, these data must be viewed with caution because these samples have been taken from ecologically different water resources.

Rivers:
Samples from most rivers located in this watershed are averaged as part of these data summaries.
Season Total Nitrogen Nitrate (NO3) Total Phosphorus Orthophosphate Number of Sample Stations Number of Samples
JAN-MAR 2024 786 ug/l 200.0 ug/l 80 ug/l 0.03 mg/l 1 1
OCT-DEC 2023 1,157 ug/l 148.0 ug/l 58 ug/l 0.02 mg/l 11 13
JUL-SEP 2023 751 ug/l 119.1 ug/l 69 ug/l 0.03 mg/l 12 14
APR-JUN 2023 926 ug/l 202.2 ug/l 125 ug/l 0.05 mg/l 13 17
JAN-MAR 2023 812 ug/l 246.2 ug/l 289 ug/l 0.04 mg/l 13 19
OCT-DEC 2022 582 ug/l 200.0 ug/l 65 ug/l 0.03 mg/l 11 20
JUL-SEP 2022 801 ug/l 100.0 ug/l 85 ug/l 0.03 mg/l 12 20
APR-JUN 2022 877 ug/l 109.2 ug/l 67 ug/l 0.03 mg/l 14 22
JAN-MAR 2022 734 ug/l 125.0 ug/l 59 ug/l 0.03 mg/l 14 20
Five Year Seasonal Graph
Five Year Graph of All Samples

Source(s): FDEP Historic Data from Legacy STORET, Seminole County Legacy Storet Data, Legacy Orange County Surface Water Quality, Seminole County Water Quality Data, SJRWMD Water Quality Data, FDEP Central Regional Operations Center, FDEP Watershed Monitoring Section, Orange County Surface Water Quality, FDEP, Water Quality Standards and Special Projects (Florida), USGS National Water Information System, FDEP - Central Regional Operations Center, Orange County Environmental Protection Division, St. Johns River Water Management District

Lakes:
Samples from most lakes located in this watershed are averaged as part of these data summaries.
Season Total Nitrogen Nitrate (NO3) Total Phosphorus Orthophosphate Number of Sample Stations Number of Samples
JAN-MAR 2024 784 ug/l 100.0 ug/l 47 ug/l 0.01 mg/l 3 4
OCT-DEC 2023 804 ug/l 54.4 ug/l 31 ug/l 0.01 mg/l 11 12
JUL-SEP 2023 636 ug/l 24.0 ug/l 71 ug/l 0.01 mg/l 13 14
APR-JUN 2023 846 ug/l 30.9 ug/l 24 ug/l 0.01 mg/l 16 17
JAN-MAR 2023 697 ug/l 57.7 ug/l 47 ug/l 0.01 mg/l 16 17
OCT-DEC 2022 529 ug/l 90.5 ug/l 30 ug/l 0.01 mg/l 16 21
JUL-SEP 2022 402 ug/l 22.2 ug/l 34 ug/l 0.01 mg/l 14 19
APR-JUN 2022 779 ug/l 24.0 ug/l 32 ug/l 0.01 mg/l 15 18
JAN-MAR 2022 733 ug/l 71.8 ug/l 24 ug/l 0.02 mg/l 16 20
Five Year Seasonal Graph
Five Year Graph of All Samples

Source(s): LAKEWATCH Supplemental Water Quality Sampling, LAKEWATCH Volunteer Water Quality Monitoring, FDEP Historic Data from Legacy STORET, Seminole County Legacy Storet Data, Legacy Orange County Surface Water Quality, Seminole County Water Quality Data, SJRWMD Water Quality Data, FDEP Central Regional Operations Center, FDEP Watershed Monitoring Section, Orange County Surface Water Quality, FDEP, Water Quality Standards and Special Projects (Florida), USGS National Water Information System, City of Casselberry, FDEP - Central Regional Operations Center, FDEP Watershed Monitoring Section, Florida LAKEWATCH

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    Stream Flow and Levels

    Stream level and flow data for the Howell Creek Watershed. Learn More about Stream Flow »

    River Flows Whole River Range Flows Data by Segment Levels Whole River Range Levels Data By Segment
    Howell Creek In the past 30 days
    down Average river flow is slower than it has been historically.
    In the past 30 days
    down Average water levels are lower than they have been historically.

    Source(s): Not Available

    Source(s): Not Available
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