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LakeQuality

Porter Lake; Hematite Township

NR
Not yet rated
271 acres
Limited Data

Porter Lake; Hematite Township in Iron County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 33 ft. Surface area: 271.4 acres.

Max depth
33 ft
Area
271 acres
Public access
Yes

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Why Porter Lake; Hematite Township 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 Porter Lake; Hematite Township, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).

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

Porter Lake; Hematite Township is a 271-acre lake in Iron County, Michigan with a maximum depth of 33 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2016-05-11. Grade methodology: LakeQuality methodology.

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Swimming Safety

Not rated

Limited data

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

Compare the safest swimming lakes near Eagle River

Get alerts for Porter Lake; Hematite Township

Water quality measurements for Porter Lake; Hematite Township

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

No clarity data.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples

Where to stay near Porter Lake; Hematite Township

Compare lakeside cabins, hotels, and vacation rentals near Porter Lake; Hematite Township in Iron County, Michigan — 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
Maximum Depth33 ft
Surface Area271 acres
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
16 sq mi
Shoreline
3.9 mi
Elevation
1,486 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access

Fishing Porter Lake; Hematite Township

EPA Impairment Status

Porter Lake; Hematite Township is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryPFAS

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

Source: EPA ATTAINS assessment unit MI040301060205-02 · Official waterbody report · Matched by proximity (2.72 km)

Graded lakes near Porter Lake; Hematite Township

Porter Lake; Hematite Township has no grade, but these lakes within a short drive do.

Nearby Lakes in Iron County

Frequently asked questions about Porter Lake; Hematite Township

Where is Porter Lake; Hematite Township?

Porter Lake; Hematite Township is a lake in Iron County, Michigan. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.

What is the water quality grade for Porter Lake; Hematite Township?

Porter Lake; Hematite Township in Iron County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 33 ft. Surface area: 271.4 acres.

Is Porter Lake; Hematite Township safe to swim in?

Not rated for swimming — there is not enough monitoring data to judge this lake. Porter Lake; Hematite Township is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.

How deep is Porter Lake; Hematite Township?

Porter Lake; Hematite Township has a maximum depth of 33 feet. The lake covers 271.4 acres.

Are there boat ramps on Porter Lake; Hematite Township?

Porter Lake; Hematite Township has 1 documented boat landing in the USGS National Boat Ramps inventory. Public access is listed as yes.

Where this data comes from

1 measurement from 1 monitoring station, 2016. Retrieved from the EPA Water Quality Portal on 2026-08-26.

Collected and reported by

  • Michigan EGLE - MiCorps21MICH_MICORPS1 sample · 2016

Analytical methods

  • Phosphorus by Colorimetry
Monitoring station identifiers (1)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)

Named boat-access points from the USGS National Boat Ramps inventory