Kennewick Irrigation District customers with low or no water pressure in the next three weeks should check their filters and screens.
The district has used an herbicide to kill aquatic weeds. Algae growth has been abundant this year because of the high temperatures and low water levels.
As the weeds die they break loose and move downstream, where large pieces are caught in coarse weed screens. But the smaller pieces may clog customer screens and filters from now until mid-August.
District crews will be working to manage the debris around the clock, according to the district.
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