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LakeQuality

Ashland Reservoir

NR
Not yet rated
168 acres

Ashland Reservoir in Middlesex County, Massachusetts is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 168 acres.

Area
168 acres
Public access
Yes

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Why Ashland 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 Ashland 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 MassDEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.

Ashland Reservoir is a 168-acre lake in Middlesex County, Massachusetts. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, MassDEP, last sampled recent years. Grade methodology: LakeQuality methodology.

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Swimming Safety

Not rated

Elevated nutrients

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Ashland Reservoir

These readings exist but are not enough for an A–F grade — see why.

No clarity data. Trophic State Index: undefined.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)

Where to stay near Ashland Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Ashland Reservoir in Middlesex County, Massachusetts — 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.

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Lake Details

CharacteristicValue
Surface Area168 acres
Public AccessYes

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Ashland ReservoirPublic

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

Fishing Ashland Reservoir

Nearby Lakes in Middlesex County

Frequently asked questions about Ashland Reservoir

Where is Ashland Reservoir?

Ashland Reservoir is a lake in Middlesex County, Massachusetts. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.

What is the water quality grade for Ashland Reservoir?

Ashland Reservoir in Middlesex County, Massachusetts is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 168 acres.

Is Ashland Reservoir safe to swim in?

Not rated for swimming — there is not enough monitoring data to judge this lake. Ashland 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 Ashland Reservoir?

Ashland Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ashland Reservoir. Public access is listed as yes.

Where this data comes from

Measurements for Ashland 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