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the work up to December 31st, 1918, since his last report for 9 months ended
December 31st, 1912, a period of six years. The towing paths, locks, river
walks and wharfing have been kept in repair as far as difficulties arising from
the war would permit. The Stort navigation is being improved and is now
opened up to Sawbridgeworth Lock, 8½ miles from the Lea. Very severe floods
occurred in the Lea Valley during the winter 1917-18. 866 samples of
river water or effluent have been examined of which 156 were excellent, 227
good, 344 fair, 81 bad and 58 very bad. Twenty pollution notices were served
in the six years under the Boards special Acts and one under the Rivers
Pollution Act. The next elections to the Board take place in March, 1919.