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<br />r <br /> <br />California Regional Water Quality Control Board has included <br />in its discharge permit requirements a prohibition of brine <br />o backwash from water softeners to the Colorado River and into <br />~ <br />~ ground waters which are in hydraulic continuity with the <br />~ <br /> <br />Colorado River System. <br /> <br /> <br />f2~~2 - Authority for issuing discharge permits in <br /> <br /> <br />Colorado has been delegated to the Colorado Department of <br /> <br />Health. There are 137 permits that may be subject to moni- <br /> <br /> <br />toring requirements in the Colorado River Basin portion of <br /> <br /> <br />the state. <br /> <br />Eighteen industrial and 28 municipal permits currently <br /> <br />have effluent moni toring data for salinity. <br /> <br />Effluent <br /> <br />monitoring data from the industrial permits indicate that ten <br />dischargers have annual salt loadings of less than 350 tons, <br />four have between 350 and 1,000 tons, three have between <br />l,OOO and 5,000 tons, and one exceeds 5,000 tons. Annual <br />salt loadings for the municipal permits include 25 with less <br />than 350 tons and three between 350 and 5,000 tons. All <br /> <br />told, these dischargers have a total annual salt loading of <br />about 24,560 tons. <br /> <br />The remaining permits are for facilities that have <br /> <br />intermittent discharges; <br /> <br />the permits were recently issued <br /> <br />and no monitoring data has been submitted; or they are old <br />permi ts with no moni toring requirements stipulated as yet. <br />All new permits and reissued discharge permits in the basin <br />will be brought into compliance with the Water Quality <br /> <br />-24- <br />