Water supply system owners are required by law to treat water where a pesticide is found above a drinking water standard.
(Water supply system owners; are required; by law; to treat water) (Water supply system owners; to treat; water where a pesticide is found above a drinking water standard) (a pesticide; is found; L:above a drinking water standard; L:water)
Water supply system owners Water supply system owners a pesticide
are required to treat is found
by law to treat water
water where a pesticide is found above a drinking water standard
L:above a drinking water standard L:water