North Fork Reservoir
North Fork Reservoir in Clackamas County, Oregon is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 218 acres.
- Area
- 218 acres
- Public access
- Yes
Next lake in Clackamas County
Swipe left or right on this bar to open the next or previous lake.
Why North Fork Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For North Fork Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by Oregon DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
North Fork Reservoir is a 218-acre lake in Clackamas County, Oregon. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch North Fork Reservoir water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for North Fork Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near North Fork Reservoir
Compare lakeside cabins, hotels, and vacation rentals near North Fork Reservoir in Clackamas County, Oregon — 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 North Fork Reservoir
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 Oregon’s top lakes →
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 218 acres |
| Public Access | Yes |
No bathymetric survey has been published for North Fork Reservoir, so its depth is not documented here.
Recreation & Access
- North Fork ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing North Fork Reservoir
Nearby Lakes in Clackamas County
Frequently asked questions about North Fork Reservoir
Where is North Fork Reservoir?
- North Fork Reservoir is a lake in Clackamas County, Oregon. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for North Fork Reservoir?
- North Fork Reservoir in Clackamas County, Oregon is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 218 acres.
Is North Fork Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. North Fork Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on North Fork Reservoir?
- North Fork Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include North Fork Reservoir. Public access is listed as yes.
Explore North Fork Reservoir across LakeQuality
More Oregon Lake Rankings
Other Lakes in Oregon
Where this data comes from
Measurements for North Fork Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory