Local water quality
Water quality in Ottawa, Illinois
5 public water systems · EPA data
The bottom line
EPA records for the water serving Ottawa, Illinois show Lead, Radium, Copper. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Ottawa's water
Contaminants EPA has recorded across Ottawa's water systems, and how many certified filters remove each.
Water systems serving Ottawa
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
OTTAWA
18,097 people served
1 contaminant · report →
FIELDS HILL IMPROVEMENT ASSOCIATION
312 people served
3 contaminants · report →
RETZ ADDN IMPROVEMENT ASSOCIATION
168 people served
2 contaminants · report →
LA SALLE COUNTY NURSING HOME
100 people served
2 contaminants · report →
LAND AND WTR ASSN
83 people served
2 contaminants · report →
Filter your Ottawa water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.