Document dQBNJR8gJ7rNGLg03GEqX0ez6

Tl& CLEVELAND PRESS CUYBJMO.OHn m 484,080 </> Zo JUL 3 0 1975 * OmsM tmt, jUt 3t^t7S Good news, bad news in lake water report \ By BETTY KL^BIC , "Although mercury levels TTiere'a a mixture of good ^ SI. Clair continued news and bad news in the re- to decrease* >* levels con- port on Great Lakes Water lmue to ** found in some Quality presented today in Jls,h ,>?1 Iocal watfir* ol Windsor to the International ri n<i Ontario,*' the Jomt Commission (UC). board said. About Lake Erie it says: * DDT levels are reported ... , declining in Lake Michigan By the end of this year, it tions for controlling pollu system Jar awarding sewage is anticipated that 80% of the tion from ships and boats# treatment plant pants U.S. population served by sewers will Jiave adequate waste treatment The figure for Canada will be 98%. have not been adopted and Industrial discharges that open lake dumping of noted in the Cleveland area polluted dredgings are from Hanhaw Chemical, continues. a _ Jones 4 Lauehlin SteeL The board is critical of the The board urges the US. ' Republic Steel, U.S. Steel, fact that compatible regula to simplify and speed up its BACTERIAL quality at fish and low in Lake Erie * beaches in Ohio and Pennsyl- fish. Levels of nolwhlnrinat. vania continues to improve. ed birtenvis rprSi are OXYGEN DEPLETION in' tremely variable in Lakes rich, E L DuPont and Fire- stone Tire and Rubber. , "Some of these pleats ; have implemented remedial measures...and almost all are contesting further, re- , quirements... Until the cases ' are resolved, no significant improvements are expected in the effluent quality from*, these dischargers," the re- ' port says. the bottom waters of the Erie and St. Clair "with Central Basin has not im- highest residues being found proved and remains a seri- in carp and channel catfish.** ous concent. " ,. Among the areas of l-akp SOME IMPROVEMENT in Erie not meeting the objecphosphorus concentrations lives of the 1972 U.S.-Canada which apparently result Water Quality Agreement, from decreased discharges is signed by President Nixon shown Mi the Western Basin. CHLORIDE concentra tions have improved some, but that may be due to dilulioa because of more water. *n<l Premier Trudeau, are Cleveland and the Rocky River, Chagrin, Black,'De troit and Grand River Basins. The report made to the Among cities which have On the Grand River.' the' ^feport lists Diamond Sham- si ole for high amounts of chlorides and total dissolved solids. Although phosphorus db- charges began to be lessened during 1973 and 1974. the board suggests there wont, / be "any noticeable effect onj 'reducing growth of algae until perhaps 1977 end 1979." . LzS'l Casadian-American .raa.y organisation put a "general ly very good" stamp on the and Euclid. water quality of the open A m_ajor point m__a_d_er in the waiers of Lakes Superior, report is'*th*'idequatrw^ Michigan and Huron. vellience is not currently The report prepared by Being conducted to deterthe Greet Lakes Water Qual- mine what, if any, improve- jiy-Board notes that Lake meat* ere taking placa in Ontario is showing early water quality as waste treat- signs of oxygen deficiency in meat. facilities- are its deeper waters. improved. ,, . i\