Macro-invertebrate Survey
		Lake Accotink Park (site ACC14)
			Back to main Monitoring Page
Date	8-Jun-24	9-Mar-24	9-Dec-23	9-Sep-23	24-Jun-23	11-Mar-23	10-Dec-22	10-Sep-22	11-Jun-22	13-Mar-22	11-Dec-21	11-Sep-21	12-Jun-21	6-Mar-21	12-Dec-20	13-Jun-20	14-Mar-20	21-Dec-19	17-Sep-19	8-Jun-19	9-Mar-19	8-Dec-18	13-Oct-18	9-Jun-18	10-Mar-18	16-Dec-17	9-Sep-17	10-Jun-17	11-Mar-17	10-Dec-16	10-Sep-16	4-Jun-16	12-Mar-16	12-Dec-15	12-Sep-15	13-Jun-15	21-Mar-15	13-Dec-14	13-Sep-14	14-Jun-14	8-Mar-14	14-Dec-13	14-Sep-13	12-Jun-13	9-Mar-13	8-Dec-12	8-Sep-12	12-Jun-10	6-Mar-10	7-Nov-09	13-Jun-09	14-Mar-09	1-Nov-08	19-Jul-08	12-Apr-08	19-Jan-08	13-Oct-07	14-Jul-07	21-Apr-07	13-Jan-07	21-Oct-06	22-Jul-06	29-Apr-06	21-Jan-06	28-Jan-05	25-Oct-04
Ecological condition	5	4	3	3	5	5	3	3	6	6	5	3	4	3	4	4	4	4	5	5	4	3	5	6	3	3	2	4	4	3	5	1!!	4	4	5	6	4	4	5	4	4	4	4	4	4	4	3	5	3	4	5	4	6	3	5	3	10	6	4		4	2	4	4	4	4
Acceptable (9 - 12)																																																												5
Unacceptable (0-7)
Macro-invertebrates Click on underlined name for picture	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count	Count
Total Macro-Invertebrate Count	249	132	218	201	204	326	211	438	477	274	46	279	253	223	416	242	234	200	338	218	213	84	276	308	275	221	309	558	271	352	436	251	218	399	294	1110	345	1051	442	205	211	226	189	226	121	275	203	264	243	597	326	309	1780	1030	428	204	3	1359	210	209	720	340	203	509	216	200
Worms	17	115	129	106	8	111	113	229	40	88	21	108	194	152	128	85	88	90	68	18	111	49	25	6	128	56	95	103	127	108	27	65	166	131	18	117	53	237	68	24	160	196	76	101	105	220	31	13	175	141	41	206	28	164	60	141		20	85	141	201	87	83	168	58	28
Flat Worms	1		1		3			1									2			1					20										5			3	1	1				1	1	3				8						4		12		33					5
Leeches	3	2	2	2	4	1	4	1	4	3		6	5		2	2	1	3			3			1	2	1	10	1	2	4	6	11	5	2	2	5	4	2	1	1	1	3	9	3	9	18	7	2	3	2	1	2	2	28	1	1		3	1		3	5	1	13		4
Crayfishes																														1						1																						1								3
Sowbugs																													2		1										1
Scuds				2		1																				2			2												1					2										1
Stoneflies
Mayflies	1		1										1		1					3					4		2																					4						2		1	3						1			3
Dragonflies and Damselflies																																			1								1																					1
Hellgrammites, Fishflies, and Alderflies			1	5			7	15	1	3	1	2	2	3	3		2	3	3						3	1	3				1											1	7				11		5	18			1					4	3		5		5	19
Netspinner Caddisfly	205	4	80	64	178	38	79	127	318	33	11	111	49	58	219	39	1	25	163	115	20	20	238	42	83	84	128	294	21	215	315	101	3	261	244	966	277	768	338	2	4	16	14		1	7	55	155	28	388	12	47	1698	586		13		1210	33	10	486	123	23	306	121	152
Most Caddisflies	1		2		1	2	1	14	80	44	10	22		2	51	1	3	18	51	3			7		8	2																				1							1								1
Beetles	1		2	3	1	11	6	5		20	1			1	2	1				2			1		6		4		1			3					3		3								1	2					1					1		8		1
Midges	20	8	2	15	9	161	1	28	33	80		29		7	3	113	104	58	52	75	76	5		255	15	75	65	160	115	15	85	12	44	5	23	120		7	18	170				95	1	13	89	60	6	10	256	50	5	102	360	28		87	72	16	12	115	74		1	2
Black Flies						1					2		1		1	1		3		1		1	2	3	5					1		16								2				3						1	2				2	1							1
Most True Flies		1		4					1					2	1		24		1						1					3	1							21	1				5		1	4	3	1		1						3		6					4	1	2	2
Gilled Snails															1												1					1											2						1						1	1			1	1
Lunged Snails																											1			2		15																	1					8		2		1				1				1
Clams		2						10		3		1	1	5	4	1	9			1	3	9	3		1			5	1	3		27			1	1	8	13	13	5	45	10	75	23	3	7	6	24	24	28	14	3	44	120	4	8		11	15		10	9	11	1	29	5
Other																																																3				1		20				3
Other Description																																																Dark black, very active worms that may have been earth worms	20 recently dead/dying asian clams in first net	20 recently dead/dying asian clams in first net		4" mussel		Mussels under 0.5 inch?				1.5" fish
Monitor	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Suzanne Dorick	Philip Latasa	Philip Latasa	Philip Latasa	Philip Latasa	Suzanne Dorick	Philip Latasa	Philip Latasa	Suzanne Dorick	Suzanne Dorick	Philip Latasa	Philip Latasa	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Ted Welch	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Suzanne Dorick	Duane Murphy	Duane Murphy	Duane Murphy	Duane Murphy	Duane Murphy	Duane Murphy	Duane Murphy	Duane Murphy	Murphy	Duane Murphy	William Murphy	Duane Murphy	Duane Murphy	Joanna Cornell	Duane Murphy	Duane Murphy	Sandy Murray	Joanna Cornell	Joanna Cornell	Joanna Cornell
Number of Participants	3	20	12	10	10	13	6	6	6	14	11	13	7	6	12	5	5	5	7	5	7	8	2	15	9	3	11	21	15	10	21	2	14	13	4	6	2	20	6	3	21	5	13	4	10	8	8	4	5	12	3	7	9	4	5	10	9	9	20		4	6	5	10		19
Time Start	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	13:00	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30	9:30 a.m.	1:00 p.m.	1:30 p.m.	1:30 p.m.	1:00 p.m.	10:00	9:00 a.m.	1:30	1:00 PM	1:00 PM	1:00 PM	1:30 p.m.		1:00PM	10:00AM
Time End	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	14:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11:30	11;30	11:30	11:30 a.m.	3:00 p.m.	3:30 p.m.	3:00 p.m.	3:00 p.m.	11:30	11:00 a.m.	3:30	3:00 PM	3:00 PM	3:00 PM	3:30 p.m.		3:00PM	Noon
Nr Nets	1	4	3	4	1	4	2	2	1	3	4	2	4	3	2	2	4	3	1	2	2	4	2	1	1	2	2	1	2	1	2	3	3	1	1	1	1	2	1	2	4	3	4	4	4	2	2	1	4	1	1	1	1	1	1	1		1	1		1	1
Riffle Water Depth(in)	8"	8"	9"	8"	12"	12"	8"	7"	9"	12"	7"	7"	12"	10"	9"	9"	9"	9"	7"	8"	12"	10"	12"	12"	8"	7"	6"	8"	9"	9"	8"	12"	8"	8"	9"	12"	12"	12"	12"	10"	12"	8"	8"	10"	8"	6"	6"	8	12	8	8	6	3	3	8	6"		6"	10		8	6
Stream (water) width(ft)	25	25	30	25	40	40	30	25	30	35	25	25	35	30	25	25	30	30	25	30	35	35	35	35	30	25	30	30	25	35	20	35	20	20	20	35	35	35	35	35	35	25	30	30	30	15	20	35	40	18	20	16	12	14	18	16	7	14	19		16	12
Channel (bank to bank) width(ft)	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	20	20	20	20	20	20	20	20	20		20	20	40	40
Stream Flow Rate	med	med	med	med	high	med	med	med	med	high	med	med	high	med	med	med	med	med	med	med	med	med	med	med	med	med	med	med	med	med	low	high	med	med	low	high	high	med	med	high	high	med	med	high	high	low	med	med	med	low	med	low	low	low	med	low	low	low	med		med	med	normal
Water Temp	76°F	50°F	38°F	80°F	72°F	45°F	44°F	76°F	73°F	38°F	45°F	70°F	68°F	40°F	44°F	77°F	54°F	37°F	74°F	75°F	40°F	37°F	64°F	75°F	43°F	34°F	66°F	73°F	45°F	36°F	80°F	72°F	55°F	46°F	69°F	78°F	43°F	38°F	86°F	73°F	41°F	38°F	72°F	78°F	42°F	46°F	79°F	77.5°F	44.7°F	48.8°F	78.8°F	47.7°F	49.7°F	78.6°F	65.6°F	36.8°F	57.2°F	82°F	61.7°F	45°F	60°F	72°F	60°F
Air temp	70°F	48°F	50°F	78°F	78°F	46°F	42°F	72°F	68°F	38°F	63°F	70°F	67°F	36°F	50°F	70°F	58°F	37°F	75°F	72°F	44°F	37°F	57°F	74°F	45°F	35°F	68°F	73°F	34°F	29°F	81°F	75°F	64°F	52°F	72°F	82°F	46°F	42°F	72°F	69°F	47°F	33°F	60°F	78°F	53°F	55°F	82°F	79.3°F		54°F	76.8°F	45.6°F	63.2°F	77.3°F	76.6°F	37.3°F	67°F	84.2°F	73.8°F		65°F	85°F
Surface Water Appearance	clear	muddy	tea colored	clear	muddy	muddy	tea colored	clear	clear	muddy	clear	clear	muddy	clear/tea colored	clear/tea colored	clear	clear	clear/tea colored	clear	muddy	muddy	clear/tea colored	muddy	clear	clear	clear	clear	clear	clear	clear	clear	muddy	clear/tea colored	clear/tea colored	clear/tea colored	muddy	muddy	clear/tea colored	clear	muddy	clear/tea colored	clear	clear/tea colored	muddy	clear/tea colored	clear/tea colored	gray/milky	cloudy	cloudy	cloudy	CLEAR	cloudy	clear	clear	clowdy	clear/ tea color	clear	slight turbid	Cloudy		cloudy-milky	clear
Algae color	brown coated	N/A	browwn coated	browwn coated	N/A	brown coated	brown coated	brown coated	brown coated	not observed	brown coated	brown coated	brown coated	brown coated	N/A	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	brown coated	N/A	N/A	brown coated	brown coated	brown coated	brown coated	brown coated	N/A	N/A	N/A	brown coated	N/A	green	brown coated	brown coated	brown coated	green	brown	brown	brown	brown	brown	brown	brown	black	green	brown	brown	N/A	brown			brown	brown
Algae percent	90	N/A	70	90	N/A	20	80	80	50	N/A	5	5	5	50	0	80	70	5	5	70	50	5	15	50	90	90	10	85	50	0	90	5	40	80	90	N/A	N/A	N/A	85	N/A	40	10	50	5	40	30	30	90	100	70	10	20	10	5	40	65	N/A	30	30		40	30
Comments		Insufficent catch numbers for an "official" score		Drought conditions past several weeks, but rain overnight							Insufficent catch numbers for an "official" score									Muddy color was puzzling, as weather had been dry.  Perhaps a localized rainstorm?											Little rain for previous several weeks	2" downpour yesterday			Almost no rain for previous month	thunderstorm yesterday	Light rain & snow yesterday	Hot humid weather past few days.  Little rains for two weeks.	Hot humid weather past few days.  Little rain for two weeks.				Rain two days before, then sunny.	Heavy rain two days earlier.				Some Thunderstorms in the past week	Tree fell in normal location. Move upstream 30 yards near tributary outlet. Heavy Feb snow melting	Clear and cold	Crystal clear water. Saw mussel tracks		Tropical Storm Hanna, 6 Sep 08, had pushed rocks into the area, creating a more shallow riffles than before. Found a yellow Caddisfly	Ground water on far side- 69F- Mayflies, scuds, 1" black bottom fish w/ head wider than body, rounded tail	sediment in stream	Weather cold- some snow.	Too dry to monitor. Ground water in pools with slight flow in rocks between pools. Picked up rocks at head of pool and found mayflies on bottom side.	Dredging in lake. Snake Head fish caught upstream near dam.	Acitve lake dredging. Area was stocked w/trout since early March