Document 0JNedx7ekdDGLD4Kx191Kmmyn

LA CROSSE TRIBUNE LA CROSSE. VTO (S) 33i5o5 rcufreOBYi JUl 2 7 1975 IbaconsJ Improvement In State's Water Quality Noted Water quality in Wisconsin is plants Is likely to be difficult and federal effluent limits. However, improving gradually, and rapitl improvement is likely within the next decade. This is the basic message In expensive as industrial pollution control. AH sanitary sewers lead to some kind of treatment plant, and 98 per cent of sewered areas more than 500 are on the watting list for federal grants which wiU be used for further improve ment. At least 81 billion will the 300-page "Annual Water are served by secondary plants. have to be spent to bring thses Quality Report to Congress," But as the public demand in plants and their sewer systems published by the Department of creases for clean water and up to anticipated 1990 needs. Natural Resources (DNR>, standards get tougher, the treat The report notes that readers ; The report points out that of ment plants need frequent mod will probably pick up its most Die state's 3,380 miles of major ernization. significant message: The fact en riven, all but 305 miles meet na tional water quality standards fhlch must be attained by 1063, tf that of the 703 major ind* Ctrial wastewater dischargen, 1 appear to be meeting el Juent standards set for 1077. ; Sections of the report, howev gineering. dollars and law en Of the state's 550 treatment forcement alone will not pro plants discharging into surface duce clean water. Traditional at waters. 212 have been improved titudes toward the uses of water or rebuilt during the past five and costs will have be altered if yean to. and 99 now meet the re the state is to reach Its daan wa quirements of the 1977 state and iter goals. . ,4? er. make It clear problems re-* main which include: Polluted runoff from farms and cities, a problem that is tore obvious as industrial and municipal discharges are (leaned up. > Erosion problems. The state (oard of Soil and Water Conser vation districts estimates that 7.2 ` m of the state's 112 million E of cropland have dominant vtt problems which contribfle silt and fertiliser to streams, r Urban storm water after fllins. carrying pollutants from bwiu. streets and construction tytes. C Trace amount of toxic chemfcjris in fish. No sooner are some brought under control than oth ers arise. The ban on DDT brought a decline of residues in Lfcke Michigan fish, but polyQlorinated biphenyls (PCB'si have been noted'll! llili fiuin Lake Pepin. Lake Michigan and fte Upper Fox River. K Cleaning up discharges from municipal sewage treatment MQNS 031049