Water Year 2008 Pg 1 of 28 [The following continuous-record water-quality sites in California have been discontinued. Daily records were collected and are stored in NWIS, unless otherwise noted, for the period of record shown for each site. Type of record: WQ (Water Quality, including Dissolved Oxygen and pH); B (Biological); C (Specific Conductance); T (Water Temperature); U (Turbidity); S (Sediment)] 09424190 Colorado River Aqueduct near San Jacinto — WQ, B 1975-81 10254670 Alamo River at Drop No. 3, near Calipatria — C,T 1981-85 10254970 New River at International Boundary, at — WQ,B,C, 1969-71, Calexico T,S 1973-85 10256060 Whitewater River at White Water Cutoff, 59.1 WQ 1972-76, at White Water 1978-96 10261100 Mojave River below Mojave River Forks 209 WQ 1967-69, Reservoir, near Hesperia 1972-74, 1976-97, 2001-05 10261480 Mojave River at Upper Narrows, at 315 WQ 2001-05 Victorville 10263500 Big Rock Creek near Valyermo 22.9 T 1962-79 10265125 Mammoth Creek at Twin Lakes, near 10.6 WQ,S 2001-05 Mammoth Lakes 10265127 Mammoth Creek Tributary below 0.27 WQ,S 2003-05 Mill City, near Mammoth Lakes 10277400 Owens River below Tinemaha Reservoir, 1,964 C,T 1975-81 near Big Pine 10293030 East Walker River at Stateline, near 400 C,S 2001-06 Bridgeport 10336593 Grass Lake Creek near Meyers 6.99 T,S 1972-74, 1997-2001 10336610 Upper Truckee River at South Lake Tahoe 54.9 C,T,S 1972-74, 1978, 1980-2003 10336612 Upper Truckee River at mouth, near 56.5 T 1997-2001 Venice Drive Pg 2 of 28 Water Year 2008 [The following continuous-record water-quality sites in California have been discontinued. Daily records were collected and are stored in NWIS, unless otherwise noted, for the period of record shown for each site. Type of record: WQ (Water Quality, including Dissolved Oxygen and pH); B (Biological); C (Specific Conductance); T (Water Temperature); U (Turbidity); S (Sediment)] 10336630 Eagle Creek near Camp Richardson 6.38 T,S 1972-74 10336640 Meeks Creek at Meeks Bay 8.08 T,S 1971-74 10336650 Quail Lake Creek at Homewood 0.95 T,S 1972-74 10336655 Madden Creek near Homewood 1.40 T,S 1972-74 10336658 Madden Creek at Homewood 2.06 T,S 1972-73 10336670 Ward Creek near Tahoe Pines 2.00 T,S 1973-76 10336672 Ward Creek Tributary near Tahoe Pines 0.89 T,S 1973-76 10336684 Dollar Creek near Tahoe City 1.07 T,S 1972-74 10336689 Snow Creek at Tahoe Vista 4.43 C,T,S 1981-85 10336740 Logan House Creek near Glenbrook, NV 2.09 S 1984-87 10336759 Edgewood Creek near Stateline, NV 3.20 S 1983-87 10336775 Trout Creek at Pioneer Trail, near 23.7 C,T 1990-2003 South Lake Tahoe 10336780 Trout Creek near Tahoe Valley 36.7 C,T,S 1971-74, 1978, 1980-85, 1987-88 1997-2003 10336795 Trout Creek near mouth east, near 41.0 T 1997-2001 Bellevue/Eldorado Avenue 10337000 Lake Tahoe at Tahoe City 506 WQ 1969, 1978-79 10338000 Truckee River near Truckee 553 WQ,C,T 1951-66, 1977-82, 1993-94 10338700 Donner Creek at Highway 89, near 29.1 T 1993-94 Truckee Water Year 2008 Pg 3 of 28 [The following continuous-record water-quality sites in California have been discontinued. Daily records were collected and are stored in NWIS, unless otherwise noted, for the period of record shown for each site. Type of record: WQ (Water Quality, including Dissolved Oxygen and pH); B (Biological); C (Specific Conductance); T (Water Temperature); U (Turbidity); S (Sediment)] 10339250 Martis Creek at Highway 267, near 25.8 WQ,T,S 1975-95 Truckee 10339380 Martis Creek Lake near Truckee 40.0 WQ,S 1975-95 10339419 Truckee River above Prosser Creek, near 644 C,T 1994-98 Truckee 10340500 Prosser Creek below Prosser Creek Dam, 52.9 T 1993-98 near Truckee 10341950 Little Truckee River below Diversion 36.1 T 1993-94 Dam, near Sierraville 10343200 Little Truckee River at Highway 89, near 59.0 T 1993-94 Truckee 10344500 Little Truckee River below Boca Dam, 173 T 1993-98 near Truckee 10345490 Gray Creek near Floriston 17.6 WQ,C,T, 2002-07 U,S 10345700 Bronco Creek at Floriston 15.4 T 1993-94 10345900 Truckee River at Floriston 932 T 1968-71 10356500 Susan River at Susanville 184 WQ,B,S 1952-93 11013500 Tijuana River near Nestor 1,695 T,S 1970-71, 1976, 1978 11022500 San Diego River near Santee 377 T,S 1970-78 11023000 San Diego River at Fashion Valley, at 429 T,S 1984 San Diego 11030500 San Dieguito River near Del Mar 338 S 1984 11042000 San Luis Rey River at Oceanside 557 WQ,B,C, 1969-93 T,S Pg 4 of 28 Water Year 2008 [The following continuous-record water-quality sites in California have been discontinued. Daily records were collected and are stored in NWIS, unless otherwise noted, for the period of record shown for each site. Type of record: WQ (Water Quality, including Dissolved Oxygen and pH); B (Biological); C (Specific Conductance); T (Water Temperature); U (Turbidity); S (Sediment)] 11044300 Santa Margarita River at Fallbrook Public 620 WQ,C,T 2000-03 Utility Sump, near Fallbrook 11046000 Santa Margarita River at Ysidora 723 WQ,T,S 1969-83 11046500 San Juan Creek near San Juan Capistrano 106 T,S 1967-68, 1971, 1982 11046530 San Juan Creek at La Novia Street Bridge, 109 T,S 1986-93 at San Juan Capistrano 11046550 San Juan Creek at San Juan Capistrano 117 T,S 1972-82, 1987 11047000 Arroyo Trabuco near San Juan Capistrano 35.7 T,S 1967, 1978 11047300 Arroyo Trabuco at San Juan Capistrano 54.1 T,S 1971-77, 1984-93 11048500 San Diego Creek at Culver Drive, near 41.8 T,S 1972-85 Irvine 11048530 El Modena-Irvine Channel at — T,S 1975-79 Myford Road, near Tustin 11048540 Peters Canyon Wash at Barranca Road, — T,S 1975-79, near Irvine 1983-85 11048550 San Diego Creek at Lane Road, near Irvine — T,S 1972-76 11048555 San Diego Creek at Campus Drive, near — T,S 1972-76, Irvine 1978-79, 1983-85 11049400 Santa Ana River above Seven Oaks Dam 200 WQ,S 2000, 2002-06 11051500 Santa Ana River near Mentone 210 WQ,C,T, 1999-2001 S 11056200 Santa Ana River at Waterman Avenue, at 359 T,S 1977, 1979 San Bernardino Water Year 2008 Pg 5 of 28 [The following continuous-record water-quality sites in California have been discontinued. Daily records were collected and are stored in NWIS, unless otherwise noted, for the period of record shown for each site. Type of record: WQ (Water Quality, including Dissolved Oxygen and pH); B (Biological); C (Specific Conductance); T (Water Temperature); U (Turbidity); S (Sediment)] 11057000 San Timoteo Creek near Redlands 118 T,S 1977-78 11059100 San Bernardino Water-Quality Control — C 1973-80 Plant at San Bernardino 11066480 Riverside Water-Quality Control Plant at — C 1970-82 Riverside Narrows, near Arlington 11066500 Santa Ana River at Riverside Narrows, 853 C,T 1968 near Arlington 11067890 Santa Ana River at Prado Park, near 1,010 T,S 1976-80 Corona 11068000 Santa Ana River at Auburndale Bridge, 1,010 C,T 1968 near Corona 11073495 Cucamonga Creek near Mira Loma 75.8 WQ,C,T, 1999-2000 S 11075600 Santa Ana River at Imperial Highway, near 1,544 T,S 1973-77, Anaheim 1979 11075610 Santa Ana River above Spreading 1,545 C,T,S 1999-2001 Diversion, below Imperial Highway, near Anaheim 11075620 Santa Ana River Spreading Diversion, — WQ,C,T 1974-85, below Imperial Highway, near Anaheim 1996-2001 11075755 Santa Ana River at Ball Road, at Anaheim 1,587 T,S 1977-80 11075760 Santa Ana River near Katella Avenue, at 1,593 T,S 1974-76 Orange 11078000 Santa Ana River at Santa Ana 1,700 WQ,T,S 1968-71, 1973-80, 1982-2003 11078100 Santa Ana River at Adams Avenue, near 1,701 T,S 1974-76 Costa Mesa Pg 6 of 28 Water Year 2008 [The following continuous-record water-quality sites in California have been discontinued. Daily records were collected and are stored in NWIS, unless otherwise noted, for the period of record shown for each site. Type of record: WQ (Water Quality, including Dissolved Oxygen and pH); B (Biological); C (Specific Conductance); T (Water Temperature); U (Turbidity); S (Sediment)] 11102250 Mission Creek below — C 1956-70 Whittier Narrows Dam 11103000 Los Angeles River at Long Beach 827 C,T 1979-84 11103010 Los Angeles River at Willow Street 831 C,T 1974-75, Bridge, at Long Beach 1981 11105850 Arroyo Simi near Simi 70.6 T,S 1970-71, 1974-78 11108500 Santa Clara River at Los Angeles-Ventura 625 WQ,B,T, 1969-88 County Line S 11109550 Piru Creek above Frenchmans Flat 308 C 1972-80 11109600 Piru Creek above Lake Piru 372 C 1972-80 11109800 Piru Creek below Santa Felicia Dam 425 WQ,C,T 1969, 1974-80 11110000 Piru Creek near Piru 437 C,T 1970-71 11110500 Hopper Creek near Piru 23.6 T,S 1977-78 11111500 Sespe Creek near Wheeler Springs 49.5 T,S 1956, 1962-78 11113000 Sespe Creek near Fillmore 251 WQ,C,T, 1967-81 S 11113500 Santa Paula Creek near Santa Paula 38.4 WQ,T 1969-80 11113900 Saticoy Diversion near Saticoy — C,T 1969-71, 1982-87 11113910 Santa Clara River at diversion, — C 1971 near Saticoy 11114000 Santa Clara River at Montalvo 1,594 T,S 1969-85, 1989-93 Water Year 2008 Pg 7 of 28 [The following continuous-record water-quality sites in California have been discontinued.