St. Johns River | Water Quality Sampling

Northeast District - St Johns River at a Glance

Programs

Welaka Public Boat Ramp

Aerial Map
(Click to enlarge)

Latitude: 29˚28.719" N
Longitude: 81˚40.489"W

Location
This is the southernmost site of the eight sites sampled as part of River at a Glance. It is at the west end of Elm Street in Welaka downstream of Little Lake George and the Ocklawaha River.

Water Characteristics
Fresh Water

Land Use
Natural forest, silvaculture, low density residential

STORET #20030766
Welaka Public Boat Ramp

Welaka Boat Ramp

Most Recent Data
Sample Date	Temperature (F)	pH	Salinity (ppt)	Turbidity (NTU)	Total coliform (CFU)	Fecal Coliform (CFU)	Dissolved Oxygen (mg/l)	Chlorophyll A	Total Nitrogen[TKN+(NO2+N03)]	Total Phosphorus as P
Trend Graphs	graph	N/A	graph	graph	graph	graph	graph	graph	graph	graph
7/8/08	86	7.94	0.6	5.3	NA	25	5.5	23	1.505	0.049
5/5/08	78	8.46	0.7	4.1	NA	21	8.3	27	1.206	0.043
3/3/08	67	7.69	0.7	3.7	NA	16	9.4	13	1.112	0.033
1/2/08	64	6.8	0.6	2.4	48	4	8	NS	NS	NS
11/5/07	71	7.59	0.6	2.2	8	4	6.5	2.9	1.4	0.02
9/5/07	86	7.84	0.6	5.6	10	104	7.1	NS	NS	NS
7/2/07	86	8.83	0.5	5.5	10	72	6.8	62	1.804	0.02
5/7/07	79	8.43	0.7	5.2	87	7	8.2	NS	NS	NS
3/5/07	64	7.76	0.7	3.2	163	36	8.6	8.8	0.979	0.027
1/9/07	68	7.88	0.7	3	33	7	7.2	NS	NS	NS
11/6/06	69	7.44	0.7	2.5	264	44	6.3	19	-	-
9/11/06	85	8.11	0.6	3.6	453	453	6.1	NS	-	-
7/10/06	85	8.1	0.5	3.7	207	17	9.3	4.3	-	-
5/1/06	76	7.66	0.4	4.4	140	18	7.7	NS	-	-
3/6/06	66	7.48	0.4	3.5	110	10	8.4	1.4	-	-
1/4/06	64	7	0.3	3.3	90	6	8.8	NS	-	-
11/08/05	71	7.1	NA	3	40	6	7.8	10	-	-
9/7/2005	81.9	7.22	0.3	2.6	690	233	5.1	NS	-	-