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<br />VI-6 <br /> <br />. <br /> <br />WATER QUALITY <br /> <br /> <br />Minimum water quality design criteria must be in accordance with State of <br /> <br /> <br />Colorado requirements for bacteriological, physical, and chemical standards, <br /> <br /> <br />and must provide aesthetica ly acceptable potable water. Design criteria <br /> <br /> <br />for allowable bacterial den .ities is th~t essentially no live pathogenic <br /> <br /> <br />bacteria or vi ruses can be Jresent in the finished water. <br /> <br />limiting chemical concentrations are given in Table VI-F on the following <br /> <br /> <br />page. The hardness 1 imit S'lown does not actually account for the encrusting <br /> <br /> <br />and scaling nature of waters generally found with hardness greater than <br /> <br /> <br />250 ppm. Soft water would contain less than 50 ppm hardness, normally <br /> <br /> <br />acceptable 1 imits f"r water hardness would range between 200 and 250 ppm. <br /> <br />. <br /> <br />FIRE P ROT: CT I ON <br />A water supply system has a great influence on fire protection and fire <br />insurance rates within its service area. Therefore, in any study of exist- <br />ing or proposed water systems, fire protection must be given a high priority. <br />Cri teria for rating of fi re protection systems are set forth in the publ ica- <br />tion, "Grading Schedule for Municipal Fire Protection," published by the <br />Insurance Services Office. A fire protection system is given deficiency <br />points where that system falls short of set standards; a breakdown or maxi- <br />mum deficiency points for individual system components is shown in Tlble VI-G <br /> <br />TABLE VI-G <br />OEFICIENCY POINTS FOR INSURANCE RATING <br /> <br />Featu re Pe rcen t Points <br />Water Supply 39 1,950 <br />Fi re Depa rtmen t 39 1,950 <br />Fi re Service Communications 9 450 <br />Fi re Silfety Control --.!..l.... 650 <br />TOTAL 100 5,000 <br /> <br />. <br />