From introduction: The purpose of this report is to develop and evaluate a method to automate the constant-rate-injection technique, described by Cobb and Bailey, with sufficient accuracy and reliability to determine discharge in storm sewers under rapidly varying flow conditions.

From introduction: The purpose of this report is to present the magnitude and types of nonpoint discharges that affect the water quality of Steiner Branch.

From introduction: The purpose of this report is to describe low-flow characteristics of streams in the lower Wisconsin River basin where streamflow data have been collected and to present equations for estimating low-flow characteristics and ungaged sites.

From abstract: The purposes of this report are to determine the low-flow characteristics in the Red Cedar River Basin, where surplus water may be diverted, and to present methods to determine low-flow characteristics at additional sites.

From introduction: The purpose of the low-flow characteristics are in some instances affected by the period of record. These characteristics can vary as much as +/- 30 percent at some gaging stations depending on whether or not the severe drought of the 1930's was included in the analysis.

Abstract: Low-flow characteristics of Wisconsin streams at 415 sewage-treatment plants are presented in this report. The low-flow characteristics presented are the annual minimum 7-day mean flow that occurs on the average of once in 2 years and the annual minimum 7-day mean flow that occurs on the average of once in 10 years. The low-flow characteristics at most sewage-treatment plants were determined by correlating baseflow measurements at the sewage-treatment plants to the concurrent daily mean flow at continuous-record gaging stations in the area. The accuracy determined by the standard error of estimate for the 10-year low flow ranged from 18 percent at continuous-record gaging stations to 70 percent when only three base-flow measurements were available. The standard error of 70 percent is larger than anticipated when the project was initiated. This was the result of extremely poor base-flow conditions during the 2-year data collection period. Additional base-flow conditions will be obtained during subsequent years which will improve the standard error somewhere between 29 and 45 percent.

From introduction: The purpose of this report is to present reateration-rate coefficients for the Rock River between Lake Koshkonong, Wis., and Rocktonm, Ill., for the annual minimum 7-day mean flow that occurs on the average of once in 10 years.

From abstract: Four modified nonradioactive-tracer methods and twenty predictive equations for determination of stream-reaeration coefficients (K2) in three small Wisconsin streams were compared with the radioactive-tracker methods developed by Tsivoglu.

From introduction: This report presents practical and useful sediment-yield information for Wisconsin. Measured and estimated sediment yields are supplemented by information on suspended-sediment concentration and particle size of suspended and bed material for 84 sites in the State. To expand the usefulness of these data, an additional section in the report presents a method to estimate or predict sediment yields in ungaged streams.

This report presents "low-flow characteristics of streams in the Rock-Fox River basin" in Wisconsin. It includes maps and tables.

From introduction: The purpose of this report is to describe low-flow characteristics of streams in the Trempealeau-Black River basin where streamflow data have been collected and to present equations useful for estimating low-flow characteristics at ungaged sites.

From abstract: The purpose of this report is to present low-flow characteristics of Wisconsin streams at sewage-treatment and industrial plants. The low-flow characteristics are needed to implement water-quality standards for all surface waters of the State. Water-quality standards in Wisconsin are based on the annual minimum 7-day mean flow below which the flow will fall on the average of once in 10 years.

From abstract: "This study was made to identify the best predictive equations for a stream's reareation-rate coefficient. Reaeration-rate information is needed in dissolved-oxygen modeling work, but an actual tracer measurement is not always possible."

From introduction: This study was begun in 1967 in cooperation with the Wisconsin Department of natural Resources (DNR)--its purpose was to evaluate the effects of construction of a reservoir and a floodwater-retention structure on the hydrologic system and water quality in a small basin in southwestern Wisconsin. In 1968, Federal research funds were obtained to provide for more detailed study of water quality and to extend the scope of the study to include aquatic biota.

From abstract: This report presents the results of biologic investigations by the U.S. Geological Survey and the Wisconsin Department of Natural Resources during a study of hydrology and water quality in a small drainage basin in the "Driftless Area" of southwest Wisconsin. The investigation included aquatic macrophytes, periphytic and planktonic algae, benthic invertebrates, and trout population dynamics during 1967-78.

From abstract: "Various changes in the management practices for the Winnebago pool to protect wetlands adjacent to the pool and to assure adequate streamflow downstream from the pool have been proposed. The effects of three such changes were estimated by using a digital reservoir model to simulate daily stage and discharge."

Report and Geographical Survey. Report uses a streamflow-routing model to simulate the daily flow at Park Falls over the next ten years and includes several illustrations and tables.

From abstract: This report summarizes the uses of water in Wisconsin for 1979, except aesthetics, navigation, and recreational use.

This report presents a water budget for Cedar Lake in Wisconsin. It contains maps, tables, and graphs.

From introduction: This report describes the design and implementation of a prototype water resources information system for the Fox-Wolf River basin...This report also describes the use of the Fox-Wolf information system for an assessment of selected hydrologic conditions in the basin.

This report focuses on the Nevin Wetland near Madison, Wisconsin and presents a detailed report on the quality of the ground-water, it's components, and what environmental factors influence these components. It includes maps and tables.

Recycling water within the local ground-water system is an effective means to increase quantity and control water temperature of the water supply and to control or avoid environmental pollution. A fish-rearing facility, operated for 15 months, returned water to the local ground-water system through an infiltration pond and recycled 83 percent of its water supply. For each 100 gallons pumped the net stress on the aquifer was equivalent to withdrawing 17 gallons. Despite recycling, nutrient content and temperature of the water supply were acceptable throughout the study period. The rearing-facility nutrient output ranged from 1 to 2 pounds of nitrate-nitrogen per day, but nitrate-nitrogen levels in the water supply remained below 4 mg/1. The water temperature ranged from 7°C to 14°C. Mathematical relations developed show that acceptable nitrate-nitrogen levels and water temperatures nearly optimum for salmonid rearing could be maintained during full-scale hatchery operation.

From abstract: This report presents estimated annual and monthly water budgets for lake Wingra and the adjacent wetland area for January 1972 through September 1977. Annually, inputs from precipitation, surface runoff, and ground-water inflow are approximately equal (31, 34, and 35 percent, respectively). Outputs include outflow from the lake into Murphy Creek (70 percent), evotranspiration from the lake and wetland (26 percent), and ground-water outflow (4 percent).

From introduction: The purpose of this report is to describe the hydrologic system in the Lake Wingra basin, with particular emphasis on the hydrolic budget of the lake itself.