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This report documents the results of a study of the cost-effectiveness of the U.S. Geological Surveys continuous-record stream-gaging programs in Massachusetts and Rhode Island. Data uses and funding sources were identified for 91 gaging stations being operated in Massachusetts and Rhode Island. Cost-effectiveness analyses were performed on 63 continuous-record gaging stations in Massachusetts and 15 stations in Rhode Island, at budgets of $353,000 and $60,500, respectively. Current operations policies result in average standard errors per station of 12.3 percent in Massachusetts and 9.7 percent in Rhode Island. Minimum possible budgets to maintain the present numbers of gaging stations in the two States are estimated to be $340,000 and $59,000, with average standard errors per station of 12.8 percent and 10.0 percent, respectively. If the present budget levels were doubled, average standard errors per station would decrease to 8.1 percent and 4.2 percent, respectively. Further budget increases would not improve the standard errors significantly. Three gaging stations in Massachusetts are being operated to provide data for two special purpose hydrologic studies, and they are planned to be discontinued at the conclusion of the studies. Nine gaging stations were identified for discontinuance because of reduced cooperator funding.

Cost-effectiveness of the U.S. Geological Survey's stream-gaging programs in Massachusetts and Rhode Island