Site Inventory
| Site ID | SiteName | State | Latitude | Longitude | Elevation (m) | Start Date | Active | RealTimeDisplay |
| lso | Los Osos | CA | 35.304401 | -120.860001 | 1075 | 2010-12-10 | Y | Y |
| oth | North Bend | OR | 43.420000 | -124.240000 | 5 | 2015-10-15 | Y | Y |
| ove | Oroville | CA | 39.511930 | -121.629200 | 56 | 2017-10-26 | Y | Y |
| ovl | Oroville | CA | 39.531800 | -121.487600 | 114 | 2011-11-07 | Y | Y |
| pan | Point Arena (P059) | CA | 38.930000 | -123.730003 | 21 | 2009-12-03 | Y | Y |
| pck | Paynes Creek | CA | 40.332720 | -121.924250 | 558 | 2014-09-03 | Y | Y |
| pfd | Pine Flat Dam | CA | 36.830100 | -119.332400 | 184 | 2010-12-06 | Y | Y |
| pld | Planada (P305) | CA | 37.349998 | -120.199997 | 128 | 2009-12-03 | Y | Y |
| pob | Pico Blanco | CA | 36.320000 | -121.809998 | 1009 | 2008-11-17 | Y | N |
| prv | Porterville (P056) | CA | 36.027401 | -119.063004 | 133 | 2010-12-10 | Y | Y |
| ptl | Point Loma (P475) | CA | 32.666400 | -117.244000 | 10.4993 | 2015-05-08 | Y | Y |
| pts | Point Sur | CA | 36.304175 | -121.888054 | 10 | 2016-10-28 | Y | Y |
| ptv | Potter Valley | CA | 39.335700 | -123.138300 | 303 | 2011-04-20 | Y | Y |
| pvc | Potter Valley - Central | CA | 39.320940 | -123.102750 | 289 | 2016-05-25 | Y | Y |
| pvl | Platteville | CO | 40.181940 | -104.725730 | 1503 | 2017-09-05 | Y | Y |
| pvn | Potter Valley - North | CA | 39.361260 | -123.113210 | 404 | 2019-10-31 | Y | Y |
| pvw | Potter Valley - West | CA | 39.320430 | -123.180160 | 518 | 2016-05-26 | Y | Y |
| rod | Rio Nido | CA | 38.507300 | -122.956500 | 39 | 2006-12-02 | Y | Y |
| ork | Orick | CA | 41.223200 | -124.054000 | 394 | 2013-09-22 | Y | Y |
| ont | Ontario | CA | 34.060001 | -117.580002 | 280 | 2010-04-26 | Y | N |
| ltr | Lester | WA | 47.209999 | -121.489998 | 450 | 2009-10-15 | Y | N |
| lve | Leesville | CA | 39.184400 | -122.436000 | 436 | 2014-09-25 | Y | Y |
| lwd | Lockwood | CA | 35.937080 | -121.108030 | 297 | 2014-10-14 | Y | Y |
| mca | McCall Air (P023) | ID | 44.898399 | -116.102997 | 1522.14 | 2012-06-22 | Y | Y |
| mck | Mills Creek (P176) | CA | 37.470001 | -122.360001 | 466 | 2009-12-03 | Y | Y |
| mdt | Middletown | CA | 38.745630 | -122.711200 | 972 | 2014-12-10 | Y | Y |
| mgc | Montgomery Creek | CA | 40.868180 | -121.886360 | 1067 | 2014-09-03 | Y | Y |
| mhl | MeachumLfl (P196) | CA | 38.299999 | -122.739998 | 122 | 2009-12-03 | Y | Y |
| mnt | Montrose (P029) | CO | 38.439201 | -107.638000 | 2456.21 | 2012-06-22 | Y | Y |
| mta | Mendota (P304) | CA | 36.738998 | -120.357002 | 50 | 2010-12-10 | Y | Y |