Rifle Lake North Basin; Hill Township
Rifle Lake North Basin; Hill Township in Ogemaw County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 24.5 µg/L. Maximum depth: 70 ft. Surface area: 185.5 acres.
- Max depth
- 70 ft
- Area
- 186 acres
- Trend
- ↑ Improving
- Public access
- Yes
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Why Rifle Lake North Basin; Hill 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 Rifle Lake North Basin; Hill Township, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
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.
Rifle Lake North Basin; Hill Township is a 186-acre lake in Ogemaw County, Michigan with a maximum depth of 70 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 5 public boat landings.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2017-09-07. Grade methodology: LakeQuality methodology.
Watch Rifle Lake North Basin; Hill Township water quality
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Rifle Lake North Basin; Hill Township
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus level: 24.5 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 24.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Rifle Lake North Basin; Hill Township
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 70 ft |
| Surface Area | 186 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
Fishing Rifle Lake North Basin; Hill Township
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -31 µg/L/yr | 2 |
Graded lakes near Rifle Lake North Basin; Hill Township
Rifle Lake North Basin; Hill Township has no grade, but these lakes within a short drive do.
Nearby Lakes in Ogemaw County
Frequently asked questions about Rifle Lake North Basin; Hill Township
Where is Rifle Lake North Basin; Hill Township?
- Rifle Lake North Basin; Hill Township is a lake in Ogemaw 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 Rifle Lake North Basin; Hill Township?
- Rifle Lake North Basin; Hill Township in Ogemaw County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 24.5 µg/L. Maximum depth: 70 ft. Surface area: 185.5 acres.
Is Rifle Lake North Basin; Hill Township safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Rifle Lake North Basin; Hill 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 Rifle Lake North Basin; Hill Township?
- Rifle Lake North Basin; Hill Township has a maximum depth of 70 feet. The lake covers 185.5 acres.
Are there boat ramps on Rifle Lake North Basin; Hill Township?
- Rifle Lake North Basin; Hill Township has 5 documented boat landings in the USGS National Boat Ramps inventory. Public access is listed as yes.
Explore Rifle Lake North Basin; Hill Township across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2016–2017. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS4 samples · 2016–2017
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory