Description:

Water quality samples were collected monthly at one station in Water Year 1977 to determine the water quality status of Dry Creek in Twin Falls and Cassia Counties, Idaho (17040212). The stream was sampled near the mouth upstream from Murtaugh Lake. The section of Dry Creek above Murtaugh Lake is intermittent and only flows during the irrigation season. Dissolved oxygen and pH at this station were within water quality standards. Total and fecal coliform bacteria exceeded the standards. Turbidity, suspended solids, temperature, and nutrient concentrations generally exceeded accepted instream criteria. The source of flow at this station is probably irrigation return flows and should not be considered indicative of the entire drainage. It is recommended that the lower section of the stream be protected for aesthetics and agricultural water supply only, and that the upper section in Cassia County remain in protected for all uses as a Class A stream. Bauer, S.B. 1979. Report No. WQ-39. Idaho Department of Health and Welfare, Division of Environment, Boise, ID. 7 pp. plus appendices.

Record Details:

Record Type:DOCUMENT

Product Published Date:10/03/1997

Record Last Revised:12/10/2002

Record ID: 5871

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Title :DRY CREEK, IDAHO WATER QUALITY STATUS REPORT, 1976-1977

Version :1.0

State :ID

Quality Assurance:

Title :DRY CREEK, IDAHO WATER QUALITY STATUS REPORT, 1976-1977

Data Use & Constraints :Temperature and dissolved oxygen were measured in the field. A Yellow Springs Instrument Model 54 Dissolved Oxygen Meter was used to measure dissolved oxygen. The pH was determined using a model 404 Orion pH meter. Samples for laboratory analysis were collected in approximately one liter cubitainers. Samples for nutrients were preserved with sulphuric acid, and samples for minerals and solids were untreated and put on ice according to ID Division of Environment Technical Procedures Manual. Laboratory analyses were performed according to EPA, Methods for Chemical Analysis of Water and Wastes.