Officials in Gladewater are working to figure out the cause behind elevated levels of lead in the city's drinking water. On Monday, the city sent out a notice advising residents that water tested from June to September had higher than usual levels of lead. Levels that were not a violation under fed
Water tested in May did not have higher than usual levels of lead. 
( z1 have :polarity - :ARG0 ( z2 water :ARG1-of ( z3 test :time ( z4 date-entity :month 5 ) ) ) :ARG1 ( z5 level :cxnsistof ( z6 lead ) :ARG1-of ( z7 have-degree :ARG2 ( z8 high ) :ARG3 ( z9 more ) :ARG4 ( z10 usual ) ) ) )