Data Series 197 Table 1

Seasonal Changes in Concentrations of Dissolved Pesticides and Organic Carbon in the Sacramento–San Joaquin Delta, California, 1994–1996

By James L. Orlando and Kathryn M. Kuivila

Data Series 197, published 2006.

Table 1

List and location of sampling sites, sampling method, and seasonal sampling matrix for 1994–1996.

[All sites are located in California. DMS, ˝degree, minute, second˝; id, identification]

Site name	USGS site id number	Site number	Latitude (DMS)	Longitude (DMS)	Sampling method	Summer 1994	Fall 1994	Winter 1994	Spring 1995	Summer 1995	Summer 1996
Mokelumne River at Andrus Island near Terminous	11336930	1	38° 06′ 22″	121° 34′ 16″	Boat	X		X	X	X	X
Beaver Slough near Thornton	381215121264901	2	38° 12′ 15″	121° 26′ 49″	Bridge	X	X	X	X	X	X
Columbia Cut near Middle River	380125121303601	3	38° 01′ 25″	121° 30′ 36″	Boat		X	X	X	X
Connection Slough near Middle River	380000121340801	4	38° 00′ 00″	121° 34′ 08″	Boat	X	X	X	X	X
Empire Cut near Middle River	375817121300001	5	37° 58′ 17″	121° 30′ 00″	Boat		X	X	X	X
False River near Oakley	11313440	6	38° 03′ 21″	121° 40′ 01″	Boat	X	X	X	X	X	X
Mokelumne River near Thornton	381519121262401	7	38° 15′ 19″	121° 26′ 24″	Bridge	X	X	X	X	X
Old River at Franks Tract near Bethel Island	380300121344801	8	38° 03′ 00″	121° 34′ 48″	Boat		X	X	X	X
French Camp Slough at French Camp	375320121160801	9	37° 53′ 20″	121° 16′ 08″	Bridge	X	X	X	X	X	X
Grant Line Canal at Tracy Road Bridge	11313200	10	37° 49′ 15″	121° 27′ 05″	Bridge	X		X	X	X	X
Hog Slough near Thornton	381009121273601	11	38° 10′ 09″	121° 27′ 36″	Boat		X	X	X
Little Connection Slough near Terminous	380336121300201	12	38° 03′ 36″	121° 30′ 02″	Boat	X	X	X	X	X
Middle River near Holt	11312685	13	38° 00′ 11″	121° 30′ 39″	Boat	X	X	X	X	X
Middle River near Middle River	375721121314301	14	37° 57′ 21″	121° 31′ 43″	Bridge	X	X	X	X	X	X
Old River at Bacon Island	11313405	15	37° 58′ 12″	121° 34′ 20″	Boat	X	X	X	X	X	X
San Joaquin River at Bouldin Island near Terminous	380524121341201	16	38° 05′ 24″	121° 34′ 12″	Boat		X	X	X	X
Piper Slough near Bethel Island	380148121365201	17	38° 01′ 48″	121° 36′ 52″	Boat		X	X	X	X
Potato Slough near Terminous	380524121314801	18	38° 05′ 24″	121° 31′ 48″	Boat	X		X	X	X
Old River at Quimby Island near Bethel Island	11311434	19	38° 01′ 38″	121° 33′ 52″	Boat		X	X	X	X	X
Sacramento River at Rio Vista	11455420	20	38° 09′ 44″	121° 41′ 28″	Bridge	X	X	X	X	X
Sacramento River at Tower Bridge at Sacramento	383430121302001	21	38° 34′ 30″	121° 30′ 24″	Bridge		X	X	X	X	X
San Joaquin River at Vernalis	11303500	22	37° 40′ 34″	121° 15′ 59″	Bridge	X	X	X	X	X	X
Sand Mound Slough at Bethel Island	380000121373001	23	38° 00′ 00″	121° 37′ 30″	Boat	X	X	X	X	X
South Mokelumne River near Iselton	380712121333601	24	38° 07′ 12″	121° 33′ 36″	Boat		X	X	X	X
San Joaquin River near Stockton	375649121202100	25	37° 56′ 49″	121° 20′ 25″	Bridge	X	X	X	X	X	X
Sycamore Slough near Terminous	380831121281201	26	38° 08′ 31″	121° 28′ 12″	Boat	X		X	X	X	X
Taylor Slough near Bethel Island	380148121400401	27	38° 01′ 48″	121° 40′ 04″	Boat		X	X	X	X
Little Potato Slough near Terminous	11336800	28	38° 06′ 52″	121° 29′ 50″	Boat			X	X	X	X
Turner Cut near Holt	11311300	29	37° 59′ 33″	121° 27′ 14″	Boat	X	X	X	X	X	X
Werner Slough near Knightsen	375737121361501	30	37° 57′ 37″	121° 36′ 15″	Boat	X	X	X	X	X	X
White Slough near Terminous	380448121280801	31	38° 04′ 48″	121° 28′ 08″	Boat		X		X	X