Book excerpt: Inspection and evaluation indicated that the spillway of No Name 262 Dam meets the criteria set forth in the guidelines. No Name 262 Dam is a small size dam with a high hazard potential required by the guidelines to pass from one-half Probable Maximum Flood to the Probable Maximum Flood without overtopping. It was determined that the spillway will pass the Probable Maximum Flood without overtopping the dam. Our evaluation indicates that the spillway will pass the 100-year flood; that is, a flood having a 1 percent change of being equalled or exceeded during any given year. The Probable Maximum Flood is defined as the flood discharge that may be expected from the most severe combination of critical meteorological and hydrologic conditions that are reasonably possible in the region. Deficiencies noted by the inspection team were a need for periodic inspection by a qualified professional engineer; lack of a maintenance schedule; a need for a complete seepage and stability analyses of the dam embankment; brush and tree growth on the embankment crest and side slopes; and heavy vegetative growth on the spillway crests.