Where is Raw Water Reservoir?

Raw Water Reservoir is a lake in Jefferson County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.

Raw Water Reservoir

Jefferson County, Illinois88 acresView map Directions

No nutrient or algae sampling on record from Illinois EPA for this lake.

Area

88 acres

Surface area

Shoreline

3.4 mi

Measured length

See the measurements Directions Where to stay

Raw Water Reservoir in Jefferson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 88 acres.

Loading map…

Raw Water Reservoir is a 88-acre lake in Jefferson County, Illinois.

Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Raw Water Reservoir is safe to swim in today is a call for the Illinois Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near St. Louis →

Get alerts for Raw Water Reservoir →

Water quality measurements for Raw Water Reservoir

These are the measurements Illinois EPA publishes for Raw Water Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Raw Water Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

88 acres

Shoreline

3.4 mi

No bathymetric survey has been published for Raw Water Reservoir, so its depth is not documented here.

Stays via Stay22

Stays near Raw Water Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Raw Water Reservoir in Jefferson County, Illinois — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Raw Water Reservoir

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Illinois’s top lakes →

Follow Raw Water Reservoir’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Raw Water Reservoir

→ Raw Water Reservoir fishing regulations (limits, seasons, special rules)

Nearby Lakes in Jefferson County

East Lake Impoundment3.2 miView →Lake Jaycee—View →Superior Lake—View →Miller Lake—View →Illinois Central Reservoir—View →

Frequently asked questions about Raw Water Reservoir

Where is Raw Water Reservoir?: Raw Water Reservoir is a lake in Jefferson County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Raw Water Reservoir?: Raw Water Reservoir in Jefferson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 88 acres.
Is Raw Water Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.