Howell Creek

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For more information about the Macroinvertebrate Monitoring Program, please contact:

Michelle Shelton
Macroinvertebrate Program Coordinator
200 West County Home Road
Sanford, FL 32773

Phone: (407) 665-5269

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Parameter	Latest Value	Historical Range	Additional Information
% Diptera	0.11 % 05/02/2007 Source: SEMCO_MACROINV	0.11 - 0.18 % 05/11/2004 - 05/02/2007 3 samples	Analyze This
% EOT	0.34 % 05/02/2007 Source: SEMCO_MACROINV	0.34 - 0.40 % 05/11/2004 - 05/02/2007 3 samples	Analyze This
Biorecon Score	6.0 04/02/2019 Source: SEMCO_MACROINV	5.5 - 9.7 05/11/2004 - 04/02/2019 18 samples	Analyze This
Biotic Index	16.0 04/02/2019 Source: SEMCO_MACROINV	10.0 - 24.0 05/11/2004 - 04/02/2019 15 samples	Analyze This
SCI Score	55.3 01/20/2009 Source: SEMCO_MACROINV	40.6 - 68.7 06/20/2007 - 01/20/2009 5 samples	Analyze This
SW Diversity Index	4.3 05/02/2007 Source: SEMCO_MACROINV	4.1 - 4.9 05/11/2004 - 05/02/2007 3 samples	Analyze This
Total # Individuals	317 # 05/02/2007 Source: SEMCO_MACROINV	239 - 584 # 05/11/2004 - 05/02/2007 3 samples	Analyze This
Total # Species	30 # 04/02/2019 Source: SEMCO_MACROINV	29 - 46 # 05/11/2004 - 04/02/2019 16 samples	Analyze This

Parameter	Latest Value	Historical Range	Additional Information
Dissolved oxygen (DO)	7.49 mg/l 03/26/2024 Source: SEMCO_PWWQ	0.10 - 166.00 mg/l 08/11/1965 - 03/26/2024 1,878 samples	Analyze This
Nitrogen	363.40 ug/l 09/21/2023 Source: SEMCO_PWWQ	4.00 - 16,400.00 ug/l 08/11/1965 - 09/21/2023 1,712 samples	Analyze This
pH	7.26 03/26/2024 Source: SEMCO_PWWQ	3.50 - 9.60 08/11/1965 - 03/26/2024 1,904 samples	Analyze This
Phosphorus as P	85.00 ug/l 09/21/2023 Source: SEMCO_PWWQ	0.00 - 21,780.00 ug/l 06/24/1966 - 09/21/2023 2,285 samples	Analyze This
Secchi disk depth	1.97 ft 01/22/2024 Source: WIN_21FLCEN	0.33 - 8.53 ft 03/17/1970 - 01/22/2024 819 samples	Analyze This
Temperature, water	70.04 deg F 03/26/2024 Source: SEMCO_PWWQ	41.00 - 91.40 deg F 08/11/1965 - 03/26/2024 1,975 samples	Analyze This
Total Suspended Solids (TSS)	9.00 mg/l 09/21/2023 Source: SEMCO_PWWQ	0.00 - 9,000.00 mg/l 08/11/1965 - 09/21/2023 1,072 samples	Analyze This
Turbidity	2.65 NTU 03/26/2024 Source: SEMCO_PWWQ	0.00 - 33.70 NTU 06/24/1966 - 03/26/2024 1,413 samples	Analyze This

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