Water Systemsi
Water Violationsi
121TRI Facilitiesi
Active NPDESi
Drinking Wateri
SDWISPublic water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Transient systems serve places like gas stations or restaurants. Violations indicate a system failed to meet federal drinking water standards.
Community Systemsi
9Active Systemsi
14Recent Violationsi
121Recent Violations (Last 5 Years)
NAPLATE
OTTAWA
LAND AND WTR ASSN
FIELDS HILL IMPROVEMENT ASSOCIATION
OAKLANE SBDV
LA SALLE COUNTY NURSING HOME
RETZ ADDN IMPROVEMENT ASSOCIATION
Historical Violations (Over 5 Years Ago)
WESTPORT WATER MUTUAL
Toxic Release Inventory (TRI)i
TRIFactories, refineries, and other industrial facilities that use or store hazardous chemicals are required to report their releases annually to the EPA. Being listed here does not mean a violation occurred — it means the facility is transparently tracking its chemical usage.
Reporting Facilitiesi
5With Chemical Datai
3Total Reported Releasesi
1.3K lbsWastewater & Stormwater Permits (NPDES)i
NPDESUnder the Clean Water Act, any facility that discharges wastewater or stormwater into rivers, lakes, or streams must hold an NPDES permit. "Effective" means the permit is currently active and the facility is authorized to discharge under its permit conditions.
Active Permitsi
22Expired / Terminatedi
28Cleanup Sites (Brownfields)i
EPA BrownfieldsFormer industrial or commercial properties where contamination has been found. "Remedy Complete" means cleanup is finished. "Construction Complete" means cleanup infrastructure is built but monitoring continues. "In Progress" means the site is still being investigated or cleaned up.
Superfund Sitesi
EPA SuperfundSuperfund sites are the nation's most seriously contaminated locations. They are placed on the National Priorities List (NPL) and receive long-term federal cleanup funding. Most communities have none.
Ottawa Radiation Areas
NPL SiteLeaking Underground Storage Tanksi
OH EPAUnderground storage tanks (commonly at gas stations) can leak fuel and chemicals into soil and groundwater. "Open" means the leak is still being investigated or cleaned up. "Closed" means the site received a No Further Remediation (NFR) letter — cleanup is done.
Open Incidents (17)