Where is Iron Gate Reservoir?

Iron Gate Reservoir is a lake in Siskiyou County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Are there boat ramps on Iron Gate Reservoir?

Iron Gate Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Iron Gate Reservoir (Mirror Cove). Public access is listed as yes.

Can I fish at Iron Gate Reservoir?

Iron Gate Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.

Iron Gate Reservoir

Siskiyou County, California948 acresView map Directions

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

Area

948 acres

Surface area

Impaired · Biotoxins
Public access
Limited data

See the measurements Directions Where to stay

Iron Gate Reservoir in Siskiyou County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 948 acres.

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Iron Gate Reservoir is a 948-acre lake in Siskiyou County, California. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Iron Gate Reservoir is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Iron Gate Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury. Check local advisories before you swim.

Whether Iron Gate Reservoir is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Iron Gate Reservoir →

Water quality measurements for Iron Gate Reservoir

These are the measurements SWRCB publishes for Iron Gate 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.

Ask about Iron Gate Reservoir

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

Lake Details

Surface area

948 acres

Public access

Yes

Listed by SWRCB

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

Recreation & Access

Boat Landings

Yes

Public Access

Iron Gate Reservoir (Mirror Cove)Public

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Iron Gate Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Iron Gate Reservoir in Siskiyou County, California — 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 Iron Gate Reservoir

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

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Follow Iron Gate Reservoir’s readings

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Fishing Iron Gate Reservoir

→ Iron Gate Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Iron Gate Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

BiotoxinsMercury

Designated uses not supporting: Fish consumption, Recreation, Other.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit CAL1053702320020720133707 · Official waterbody report

Nearby Lakes in Siskiyou County

Copco Lake7.2 miView →Steamboat Lake18 miView →Bass Lake17.9 miView →Trout Lake—View →Barton Lake—View →Greenhorn Reservoir—View →

Frequently asked questions about Iron Gate Reservoir

Where is Iron Gate Reservoir?: Iron Gate Reservoir is a lake in Siskiyou County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Iron Gate Reservoir?: Iron Gate Reservoir in Siskiyou County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 948 acres.
Is Iron Gate Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Iron Gate Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for biotoxins, mercury. Check local advisories before you swim.
Are there boat ramps on Iron Gate Reservoir?: Iron Gate Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Iron Gate Reservoir (Mirror Cove). Public access is listed as yes.
Can I fish at Iron Gate Reservoir?: Iron Gate Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.