Econlockhatchee River

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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	0.16 % 03/08/2007 Source: SEMCO_MACROINV	0.15 - 0.31 % 04/26/2004 - 03/08/2007 3 samples	Analyze This
% EOT	0.48 % 03/08/2007 Source: SEMCO_MACROINV	0.42 - 0.48 % 04/26/2004 - 03/08/2007 3 samples	Analyze This
Biorecon Score	7.8 04/29/2019 Source: SEMCO_MACROINV	5.8 - 9.7 04/26/2004 - 04/29/2019 18 samples	Analyze This
Biotic Index	27.0 04/29/2019 Source: SEMCO_MACROINV	17.0 - 27.0 04/26/2004 - 04/29/2019 15 samples	Analyze This
SW Diversity Index	3.9 03/08/2007 Source: SEMCO_MACROINV	3.6 - 4.3 04/26/2004 - 03/08/2007 3 samples	Analyze This
Total # Individuals	472 # 03/08/2007 Source: SEMCO_MACROINV	321 - 472 # 04/26/2004 - 03/08/2007 3 samples	Analyze This
Total # Species	32 # 04/29/2019 Source: SEMCO_MACROINV	29 - 43 # 04/26/2004 - 04/29/2019 15 samples	Analyze This

Parameter	Latest Value	Historical Range	Additional Information
Dissolved oxygen (DO)	9.76 mg/l 01/20/2026 Source: SEMCO_PWWQ	0.00 - 71.80 mg/l 04/19/1967 - 01/20/2026 253,174 samples	Analyze This
Nitrogen	727.00 ug/l 12/22/2025 Source: SEMCO_PWWQ	4.00 - 18,000.00 ug/l 08/09/1967 - 12/22/2025 3,112 samples	Analyze This
pH	7.66 01/20/2026 Source: SEMCO_PWWQ	0.00 - 11.40 04/19/1967 - 01/20/2026 251,711 samples	Analyze This
Phosphorus as P	56.00 ug/l 12/22/2025 Source: SEMCO_PWWQ	0.00 - 27,600.00 ug/l 04/19/1967 - 12/22/2025 4,208 samples	Analyze This
Secchi disk depth	1.64 ft 12/08/2025 Source: WIN_21FLORAN	0.00 - 24.00 ft 02/16/1970 - 12/08/2025 1,625 samples	Analyze This
Temperature, water	54.90 deg F 01/20/2026 Source: SEMCO_PWWQ	32.90 - 96.80 deg F 04/19/1967 - 01/20/2026 17,755 samples	Analyze This
Total Suspended Solids (TSS)	2.20 mg/l 12/22/2025 Source: SEMCO_PWWQ	0.00 - 5,000.00 mg/l 08/09/1967 - 12/22/2025 2,373 samples	Analyze This
Turbidity	1.20 NTU 01/20/2026 Source: SEMCO_PWWQ	-2.70 - 2,839.70 NTU 10/09/1973 - 01/20/2026 237,662 samples	Analyze This

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