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EDMUND JANES JAMES, PH. D., LL.D., President University of Illinois. SIR: Herewith I submit a report of the work of the State Water Survey from September 1, 1906 to December 31, 1907, with the request that it be printed as a bulletin of the University of Illinois, State Water Survey Series No. 6. The report includes a detailed description of the work accomplished during the 16 months ending December 31st, 1907, with a summary, by years, of the analyses made since the foundation of the Survey to that time, and a summary, by months, of the analyses made during the last two years. The new quarters into which the Survey moved during the summer of 1907, are described. The progress of the co-operative work with the State Board of Health, and with the Engineering Experiment Station of the University of Illinois, the State Geological Survey, and the Water Resources Branch of the United States Geological Survey, is reported. There are included the descriptions of several experiments or investigations carried on by the Survey. For these investigations special thanks are due to Mr. J. M. Lindgren for his Experiments in Water Treatment, to Mr. A. W. Sellards for the chapter on Sanitary Chemical Examination of Water Bacteria, to both of these gentlemen and to Professor A. N. Talbot, Professor H. S. Grindley, Mr. R. H. Slocum and the Corn Products Refining Company, for assistance and co-operation in the study of Trade Wastes at Waukegan; and to Dr. W. G. Bain for the description of the stand for fermentation tubes. Respectfully submitted, EDWARD BARTOW, Director.
Edmund Janes James, Ph. D., LL. D., President University of Illinois: SIR: Herewith I submit a report of the work of the State Water Survey for the year ending December 31, 1908, and request that it be printed as a bulletin of the University of Illinois, State Water Survey Series No. 7. The report includes a brief description of the work done during the year ending December 31, 1908, with a summary, by years, of analyses made since the foundation of the Survey and a summary; by months, of analyses made during the year. There is also included in the report an article describing the scientific work done at the laboratories of the State Water Survey in the investigation of methods of analysis. A description is given of difficulties experienced with incrustation in the discharge pipe at the filtration plant at Quincy, Illinois. Investigations of farm water supplies in several parts of the State are described. An article entitled 'Hardness of Illinois Municipal Water Supplies' shows the character of the mineral matter contained in the various municipal water supplies. Our latest conclusions concerning the methods of 'Interpretation of Results' are included and there is also a chapter giving data concerning municipal water supplies which has been collected since the publication of Bulletin No. 5. Special thanks are due to the regular laboratory staff for their assistance in this work, to Mr. J. S. Rogers for the article on 'Determination of Nitrates in Drinking Water,' to Dr. A. W. Sellards for the article on 'Current Methods of Sanitary Water Analysis,' to Mr. W. R. Gelston, Superintendent Quincy Water Works, for the description of the methods of removing incrustation from the water main at Quincy, and to Miss Mabel Bush for the compilation of the data concerning municipal water supplies. Respectfully submitted, EDWARD BARTOW, Director.
Essential data on corrosion gathered by the Illinois State Water Survey in isolated or programmed studies, and from experience at state institutions since 1950, are summarized. A brief review of basic fundamentals of corrosion is presented as background for the summaries. Also included are some of the general and specific recommendations concerning inhibitors and construction materials that were developed through laboratory and field evaluations for use by architects, engineers, and institutional maintenance personnel. Appendixes contain a discussion of corrosion in water wells and pumps and two ancillary papers for orientation and recognition of other factors related to distribution system water quality.
EDMUND JANES JAMES, PH.D., LL.D., President University of Illinois. SIR: Herewith I submit a report of the work of the State Water Survey for two years ending December 31, 1911, and request that it be printed as a bulletin of the University of Illinois, State Water Survey Series No. 9. The report contains a statement concerning the expansion of the Survey during the latter half of the year, made possible by increased appropriations, a summary showing the analytical work done in each year since the foundation of the Survey, and a summary showing the analytical work done in each month during 1911, and a brief review of work being done with reference to the quality of water in the state by other organizations. Abstracts of reports of the engineering division are given. There are several special articles which describe the expermental work and investigations carried on during the year. Thanks are due to the regular laboratory staff for their interest in the work of the Survey and to Prof. A. N. Talbot, Dr. R. H. Jesse, Mr. C. E. Millar, M. S., and Mr. B. H. Harrison, B.S., for assistance rendered in the preparation of special articles, and to Messrs. Alvord and Burdick for permission to publish the report on the pollution of Fox River at Geneva. Credit is given in appropriate places for the part each has taken. Respectfully submitted, EDWARD BARTOW, Director.
EDMUND JANES JAMES, PH.D., LL.D., President University of Illinois. SIR: Herewith I submit a report of the work of the State Water Survey for the year ending December 31, 1913, and request that it be printed as a bulletin of the University of Illinois, State Water Survey Series No. 11. The report contains an account of the work done by the Water Survey in accordance with the laws (Laws of Illinois, 40th General Assembly 1897, 12; 47th General Assembly, 1911, 43. Bulletin University of Illinois, State Water Survey Series, 9, 7-8). The General Report gives a summary of the chemical, biological and engineering work done and an account of the special investigations made during the year. Some interesting and valuable scientific investigations have been carried on by both the chemists and engineers. Advice relative to public water supplies has been given a large number of cities and plans for all new projects have been reviewed and reported upon. Extensive sanitary surveys of watersheds have been made which are proving of much value to cities facing the problem of sewage treatment. This work should be continued to cover all the watersheds of the state. During the year a co-operative arrangement has been perfected with the Rivers and Lakes Commission which increases the effectiveness of the Survey's work along the lines of stream cleaning. Thorough investigations have been made of several typhoid fever epidemics, suspected of being water borne. The most important of Health. During the Ohio River floods of April, the Survey was able to render valuable service in protecting water supplies and establishing sanitary conditions. Respectfully submitted, EDWARD BARTOW, Director.
EDMUND JANES JAMES, PH.D., LL.D., President University of Illinois. SIR: Herewith I submit a report of the work of the State Water Survey for the year ending December 31, 1912, and request that it be printed as a bulletin of the University of Illinois, State Water Survey Series No. 10. The report contains a summary of the work done by the laboratory and engineering divisions in accordance with the laws creating the State Water Survey and imposing upon it new and additional duties. (Laws of Illinois, 40th General Assembly 1897, 12; 47th General Assembly, 1911, 43. Bulletin University of Illinois, State Water Survey Series, 9, 7-8.) The report covers the first full year with the increased appropriation allowed by the 47th General Assembly. The special report by the engineering division shows the additional work accomplished and also confirms our belief that there would be a demand for the services of our engineering division. Several other organizations whose work is related in some way to the work of the State Water Survey is briefly summarized in the report. There are several articles that describe special experimental work and special investigations. Many cities have been visited during the year. The purpose of each visit, the observations made, and the recommendations, if any, are given. Thanks are due to the regular staff for their interest in the work of the Survey and to Dr. L. L. Burgess, Mr. O. Kamm, Mr. H. L. Olin, and Mr. C. H. Spaulding, for assistance rendered in the preparation of special articles. Credit is given in appropriate places for the part each has taken. Respectfully submitted, EDWARD BARTOW, Director.
SIR: Herewith I submit a report of the work of the Chemical Survey of the Water Supplies of Illinois, covering the years 1897 to 1902, inclusive. As was stated in my preliminary report, published in 1897, portions of which are incorporated in the present report, the aims of the survey include the determination of the present sanitary condition of the water supplies drawn from the lakes, the streams, and the wells of the State; the determination of the normal condition of uncontaminated waters; the formulation of local standards of purity based upon the results of analyses of water derived from unpolluted sources; the provision of such means as shall afford to citizens of the State opportunity to obtain immediate information regarding the wholesomeness of the potable waters in which they are directly interested; and in general the prevention of the development and dissemination of disease from the use of impure water. The press of work in certain of these directions has been so great that comparatively little has been accomplished in others, and a mass of data concerning the normal condition of ground waters must be left for digestion and discussion at some future time. The present report may be broadly divided into three parts, namely: 1. A brief consideration of the sanitary condition of the ordinary ground waters and matters relating thereto. Accompanying this there is a paper upon 'The Geology of Illinois as Related to Water Supplies,' by Charles W. Rolfe, Professor of Geology in the University. 2. Results of the mineral analysis of some four hundred and sixty samples of water mainly from wells of considerable depth. 3. A report of the investigation of the surface waters of the State, relating chiefly to the Illinois River and some of its tributaries. Most of the routine work of these investigations has been conducted by Mr. C. V. Millar, M. S., and Mr. R. W. Stark, B. S., to whom special commendation is due for the continued interest, the skill and the unfailing zeal with which they have furthered the purposes of the Survey. At various times we have further been ably assisted by Mr. F. C. Koch, M. S.; Mr. E. P. Walters, B. S.; Mr. A. D. Emmett, B. S.; and Mr. A. L. Marsh. Respectfully submitted, ARTHUR W. PALMER, Sc . D., Professor of Chemistry.