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<br />SE CTION III <br /> <br />PRELIMINARY WASTEWATER SYSTEM DESIGN <br /> <br />General <br /> <br />The collection system and treatment facilities are to be designed in <br />conformance to the "Criteria Used in Review of Waste Water Treatment <br />Facilities" published by the Department of Health, State of Colorado. The <br />location and design of the sewage treatment facilities are subject to the ap- <br />proval of the Colorado Water Quality Control Commission, the Las Animas <br />County Health Department, and the Town Council. <br /> <br />Waste Treatment <br /> <br />Design criteria involve existing and projected flow loads, and strength <br />of raw sewage. The QUANTITY of flow is basically determined from the popula- <br />tion trends and for the Starkville area this involves a current population of 324 <br />with a potential growth in 20 years to 450. Initial flows are expected to be <br />30,000 gallons per day (gpd) to a future loading of 47,900 gpd. <br /> <br />The QUALITY of the effluent from the treatment facility is controlled <br />by the Colorado Water Pollution Control Commission. <br /> <br />The following table lists the anticipated criteria, final criteria as <br />determined by the Commission. <br /> <br />TABLE 3 <br /> <br />Parameter <br /> <br />Future Effluent Limitations <br /> <br />Weekly Average Monthly Average <br />2 2 <br />45 mg/l 30 mg/l <br />2 2 <br />45 mg/l 30 mg/l <br />3 4 <br />400 orgs/100 ml 200orgs/100ml <br /> <br />Less than 0.5 mg/l <br /> <br />6.0 - 9. 0 <br /> <br />BODS <br />Suspended Solids <br />Fecal Coliform <br />Residual Chlorine <br /> <br />pH <br />Oil and Grease <br /> <br />10 mg/l and there shall be no visible sheen <br /> <br />None, at levels toxic to humans, other animals <br />plants, or aquatic life, or damaging to real <br />property <br /> <br />Unspecified Toxic or <br />Corrosive Substances <br /> <br />- 6 - <br /> <br />.- <br />, <br /> <br />- <br />