| Abstract: | A water-quality assessment was made of Illinois River, Muddy Fork, Spring Creek, and Osage Creek in northwest Arkansas. Data were collected to calibrate and verify steady-state digital, stream, water-quality models. The models were then used to simulate changes in instream diel-minimum dissolved-oxygen resulting from changes in nutrient loading. The city of Fayetteville proposes to divert part of its projected wastewater-treatment plant discharge to Illinois River. Muddy Fork, Spring Creek, and Osage Creek currently received effluent from the cities of Prairie Grove, Springdale, and Rogers, respectively. The diel-minimum dissolved-oxygen standard for each of these streams is 4.0 mg/L under projected loadings. Data collected indicate that none of the four streams meet Arkansas state standards for diel-minimum dissolved oxygen, total phosphorus, and fecal coliform bacteria. Computed dissolved-oxygen deficits indicate that benthal demand is the principal reason for dissolved-oxygen not meeting standards. Model simulations indicate that Spring Creek and Osage Creek can meet dissolved oxygen standards with stringent effluent limits imposed at the inspecting waste water-treatment plants; Muddy Fork and Illinois River can not. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 25831 |
| Citation Author: | Terry, J. E.; Morris, E. E.; Petersen, Jim C.; Darling, M. E. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 435 p. :ill. ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 83-4092 |
| Citation Search Results Text: | Water-quality assessment of the Illinois River basin, Arkansas; 1984; WRI; 83-4092; Terry, J. E.; Morris, E. E.; Petersen, Jim C.; Darling, M. E. |
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| Citation Year: | 1984 |
| Type: | citation/reference |
| Text: | Water-quality assessment of the Illinois River basin, Arkansas; 1984; WRI; 83-4092; Terry, J. E.; Morris, E. E.; Petersen, Jim C.; Darling, M. E. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/wri/1983/4092/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/wri/1983/4092/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
