Nutrient and suspended-sediment (SS) samples were collected under base flow and stormflow conditions during calendar year 2006 for Group A sites listed in Table 2. Fixed date samples also were collected at these sites. Additionally, fixed date samples were collected during 2006 at Group B sites listed in Table 2. All samples were analyzed for nitrogen and phosphorus species, total organic carbon (TOC), and SS. Precipitation for 2006 was above average for all Group A sites. Highest departures from the long-term precipitation averages were recorded at Danville, Pa., with 8.39 inches above the long-term mean (LTM). Highest departure above the LTM for discharge was 132 percent of LTM at Danville, which was mostly a result of late June flooding in New York. Lowest departure from the LTM was at Newport, Pa., for both rainfall at 2.17 inches above LTM and for flow at 81 percent of the LTM. Precipitation and flows were above LTM at several sites largely due to high flows caused by Tropical Storm Ernesto during late June and early July.