Howell Creek

Map it!

Announcements

There are no announcements to display.

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

Search by pond name, number or program

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)	8.83 mg/l 02/24/2026 Source: SEMCO_PWWQ	0.10 - 166.00 mg/l 08/11/1965 - 02/24/2026 2,031 samples	Analyze This
Nitrogen	585.00 ug/l 12/15/2025 Source: SEMCO_PWWQ	4.00 - 16,400.00 ug/l 08/11/1965 - 12/15/2025 1,828 samples	Analyze This
pH	7.32 02/24/2026 Source: SEMCO_PWWQ	3.50 - 9.60 08/11/1965 - 02/24/2026 2,037 samples	Analyze This
Phosphorus as P	9.00 ug/l 12/15/2025 Source: SEMCO_PWWQ	0.00 - 21,780.00 ug/l 06/24/1966 - 12/15/2025 2,498 samples	Analyze This
Secchi disk depth	3.28 ft 12/15/2025 Source: SJRWMD_WQ	0.33 - 8.53 ft 03/17/1970 - 12/15/2025 926 samples	Analyze This
Temperature, water	57.62 deg F 02/24/2026 Source: SEMCO_PWWQ	41.00 - 91.40 deg F 08/11/1965 - 02/24/2026 2,042 samples	Analyze This
Total Suspended Solids (TSS)	4.40 mg/l 12/15/2025 Source: SJRWMD_WQ	0.00 - 9,000.00 mg/l 08/11/1965 - 12/15/2025 1,158 samples	Analyze This
Turbidity	4.63 NTU 02/24/2026 Source: SEMCO_PWWQ	-5.20 - 33.70 NTU 06/24/1966 - 02/24/2026 1,543 samples	Analyze This

Advanced Graphing
Graph water quality, hydrology, and rainfall trends using the data presented on the Atlas.

Data Download
Download water quality, hydrology, and rainfall data to use in your own analyses and reports.