Pineview North Arm Lake
Weber County, UtahView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Algal growth
- Limited data
Pineview North Arm Lake in Weber County, Utah is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 11.9 ft visibility.
- Clarity
- 11.9 ft
- Trend
- → Stable
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Stays near Pineview North Arm Lake
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Watch Pineview North Arm Lake’s letter
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Why Pineview North Arm Lake has no grade
Pineview North Arm Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Pineview North Arm Lake is Not Rated — not an F. Its 11.9-foot median from 40 readings collected 2012–2016 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by Utah DWQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Pineview North Arm Lake is a lake in Weber County, Utah.
Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2016-07-14. Grade methodology: LakeQuality methodology.
What Pineview North Arm Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.9 ft of visibility
Swimming Safety
Not ratedBacteria advisory
The letter is not a swimming clearance. Pineview North Arm Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal), pH / acidity, temperature. Check local advisories before you swim.
Water quality measurements for Pineview North Arm Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 11.9 ft. TSI 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.9 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Pineview North Arm Lake
Water Quality Trend: → Stable
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.017 m/yr | 7 |
EPA Impairment Status
Pineview North Arm Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit UT-L-16020102-014_00 · Official waterbody report · Matched by proximity (0.73 km)
Graded lakes near Pineview North Arm Lake
Pineview North Arm Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Weber County
Frequently asked questions about Pineview North Arm Lake
Where is Pineview North Arm Lake?
- Pineview North Arm Lake is a lake in Weber County, Utah. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Pineview North Arm Lake?
- Pineview North Arm Lake in Weber County, Utah is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 11.9 ft visibility.
Is Pineview North Arm Lake safe to swim in?
- The letter is not a swimming clearance. Pineview North Arm Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pathogens (E. coli, fecal), pH / acidity, temperature. Check local advisories before you swim.
Explore Pineview North Arm Lake across LakeQuality
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Where this data comes from
40 measurements from 1 monitoring station, 2012–2016. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- UC Region of USBOR
UC_REGION_USBOR_WQX40 samples · 2012–2016
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