| ENVIRONMENTAL HEALTH |
| Well Water Information |
| RULES |
| LaSalle County Potable Water Supplies Ordinance |
| PERMITS & APPLICATIONS |
| Application for Permit to Construct or Modify a Water Well (State of Illinois) |
| Water Well Sealing Application |
| Water Well Permit Application |
| Closed Loop Well Application |
| Non-Community Public Water System Application |
| Real Estate Survey Application |
| TRAINING AND EDUCATION |
| Well Water Training |
| LINKS FOR HOMEOWNERS |
| Boil Water Orders or Interrupted Water Service |
| Commonly found Substances in Drinking Water and Available Treatment |
| How to Disinfect Your Drilled Water Well |
| How to Disinfect your Bored Water Well |
| Abandoned Well Fact Sheet |
| Guidelines for Sealing Abandoned Wells |
| CONTRACTORS |
| Installation Report for Water Well Pumps |
| Water Well Construction Report |
| Water Well Sealing Report |
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