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<br />. <br /> <br />i537 <br /> <br />. <br /> <br />Canon City Water Treatment Plant <br />NPDES #CO-0000892 <br />WQMP 1.0. No. FR-2 <br /> <br />. <br /> <br />The existing Canon City Water Treatment Plant is located on the <br />west edge of Canon City and will operate until the new plant <br />goes on line in early 1975. The existing plant treats 6.0 to <br />7.5 mgd of raw water per day. <br /> <br />. <br /> <br />The raw water treatment process includes sedimentation, co- <br />agulation, filtration and chlorination. The rapid sand filters <br />are periodically backwashed during the day and the dirty water <br />is discharged back to the Arkansas River. In addition, the <br />settling ponds are flushed on a yearly basis to the river. <br /> <br />. <br /> <br />The new treatment plant will essentially contain the same treat- <br />ment processes except the backwash water will be settled in a <br />small pond and the decanted water will be returned to the first <br />sedimentation basin. The aluminum sulfate sludge will not be <br />flushed to the river but will be dried on sand beds and hauled <br />away. <br /> <br />. <br /> <br />Canyon Concrete <br />NPDES #co-o024031 <br />WQMP 1.0. No. FR-3 <br /> <br />. <br /> <br />Canyon Concrete is approximately 3 miles southeast of Canon <br />City. The principal operation is gravel washing since no con- <br />crete is prOduced at this site. The discharge water is pumped <br />from the gravel pit and is very clear. The daily discharge is <br />approximately 1.1 mgd. The operation is expected to discontinue <br />within 10 years. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />51 <br />