Sly Creek Reservoir
Butte County, California618 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Impaired · Mercury
- Public access
- Limited data
Sly Creek Reservoir in Butte County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 618 acres.
Sly Creek Reservoir is a 618-acre lake in Butte 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 Sly Creek Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping2 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Sly Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Sly Creek 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.
Water quality measurements for Sly Creek Reservoir
These are the measurements SWRCB publishes for Sly Creek 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 Sly Creek Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
618 acres
Shoreline
12.2 mi
Public access
Yes
Listed by SWRCB
No bathymetric survey has been published for Sly Creek Reservoir, so its depth is not documented here.
Recreation & Access
- MoorevillePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Sly Creek Reservoir
- Strawberry1.8 km
- Sly Creek1.8 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Sly Creek Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Sly Creek Reservoir in Butte 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 Sly Creek Reservoir
Prices for Oct 9–11, 4 adults. Change dates on the map below.
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Fishing Sly Creek Reservoir
EPA Impairment Status
Sly Creek Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Other.
Source: EPA ATTAINS assessment unit CAL5182300020200110040195 · Official waterbody report
Nearby Lakes in Butte County
Frequently asked questions about Sly Creek Reservoir
Where is Sly Creek Reservoir?
- Sly Creek Reservoir is a lake in Butte County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Sly Creek Reservoir?
- Sly Creek Reservoir in Butte County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 618 acres.
Is Sly Creek Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sly Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Are there boat ramps on Sly Creek Reservoir?
- Sly Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Mooreville. Public access is listed as yes.
Can I fish at Sly Creek Reservoir?
- Sly Creek 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.
Are there campgrounds on Sly Creek Reservoir?
- Sly Creek Reservoir has 2 public campgrounds from USGS The National Map within 5 km, including Strawberry, Sly Creek. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
Measurements for Sly Creek Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles