Sam Knight Cr at SR776, CHV003

Site Description

Sam Knight Cr at SR776, CHV003 is a water quality monitoring site for the CHEVWQMN program.

Contact Us

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:

Arielle Taylor-Manges
12301 Burnt Store Road
Punta Gorda, FL 33955
Phone: (941) 389-5200
E-mail: Arielle.TaylorManges@FloridaDEP.gov

Monitoring Sites

Select from one of the 57 monitoring sites below to view water quality information.

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Water Quality Data

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

CHEVWQMN data collected prior to 2018 can be downloaded from the Water Atlas database using the Data Download tool and the datasource code "STORET_21FLCHAR". The datasource code "WIN_21FLCHAR" is used for data collected from 2018 to the present.

Parameter	Latest Value	Historical Range	Additional Information
Chlorophyll a, corrected for pheophytin	5.8 ug/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	1.6 - 14 ug/l 06/05/2017 - 11/03/2025 73 samples	Analyze This
Chlorophyll a, uncorrected for pheophytin	7 ug/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	2.1 - 21 ug/l 11/06/2017 - 11/03/2025 69 samples	Analyze This
Dissolved oxygen (DO)	5.25 mg/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	1 - 10.2 mg/l 06/05/2017 - 11/03/2025 71 samples	Analyze This
Dissolved oxygen saturation	68 percent (%) 11/03/2025 12:00 AM Source: WIN_21FLCHAR	15 - 104.9 percent (%) 05/07/2018 - 11/03/2025 62 samples	Analyze This
Enterococcus Group Bacteria	10 cfu/100ml 11/03/2025 12:00 AM Source: WIN_21FLCHAR	10 - 932 cfu/100ml 05/06/2019 - 11/03/2025 63 samples	Analyze This
Fecal Coliform	31 cfu/100ml 07/09/2018 12:00 AM Source: WIN_21FLCHAR	5 - 1500 cfu/100ml 06/05/2017 - 07/09/2018 12 samples	Analyze This
Nitrogen	0.77 mg/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	0.48 - 1.32 mg/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Nitrogen	774 ug/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	475 - 1319 ug/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Nitrogen, Kjeldahl	0.77 mg/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	0.47 - 1.3 mg/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Nitrogen, Kjeldahl	770 ug/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	470 - 1300 ug/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Nitrogen, Nitrite (NO₂) + Nitrate (NO₃) as N	0 mg/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	0 - 0.07 mg/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Nitrogen, Nitrite (NO₂) + Nitrate (NO₃) as N	4 ug/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	4 - 70 ug/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
pH	7.41 11/03/2025 12:00 AM Source: WIN_21FLCHAR	6.42 - 8.01 06/05/2017 - 11/03/2025 67 samples	Analyze This
Phosphorus as P	0.13 mg/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	0.08 - 0.42 mg/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Phosphorus as P	130 ug/l 11/03/2025 12:00 AM Source: WIN_21FLCHAR	75 - 420 ug/l 06/05/2017 - 11/03/2025 75 samples	Analyze This
Salinity	21.48 ppt 11/03/2025 12:00 AM Source: WIN_21FLCHAR	2.5 - 32.6 ppt 06/05/2017 - 11/03/2025 70 samples	Analyze This
Secchi disk depth	3.61 ft 11/03/2025 12:00 AM Source: WIN_21FLCHAR	0.98 ft - 6.89 ft 07/10/2017 - 11/03/2025 68 samples	Analyze This
Temperature, water	71.78 °F 11/03/2025 12:00 AM Source: WIN_21FLCHAR	53.78 - 89.96 °F 06/05/2017 - 11/03/2025 69 samples	Analyze This
Temperature, water	22.1 °C 11/03/2025 12:00 AM Source: WIN_21FLCHAR	12.1 - 32.2 °C 06/05/2017 - 11/03/2025 69 samples	Analyze This
Turbidity	1.2 NTU 11/03/2025 12:00 AM Source: WIN_21FLCHAR	0.75 - 8.6 NTU 06/05/2017 - 11/03/2025 75 samples	Analyze This

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