Partners Lake_spillway
Benton County, Arkansas7 acresView 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.
- Limited data
Partners Lake_spillway in Benton County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 7.5 ft visibility. Surface area: 7 acres.
- Clarity
- 7.5 ft
- Area
- 7 acres
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Watch Partners Lake_spillway’s letter
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Why Partners Lake_spillway has no grade
Partners Lake_spillway 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, Partners Lake_spillway is Not Rated — not an F. Its 7.5-foot median from 1 readings collected 2015 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 ADEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Partners Lake_spillway is a 7-acre lake in Benton County, Arkansas.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2015-07-25. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Partners Lake_spillway
These readings exist but are not enough for an A–F grade — see why.
Moderate clarity, visible to about 7.5 ft. TSI 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.5 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 7 acres |
No bathymetric survey has been published for Partners Lake_spillway, so its depth is not documented here.
Fishing Partners Lake_spillway
Reservoir Info (USACE NID)
Partners Lake_spillway is a man-made reservoir impounded by the Lake Keith Dam (completed 1949), built primarily for other on the Osage Creek-Tr; earth-type dam, 17 ft tall and 240 ft long.
- Surface area
- 7 ac
- Normal storage
- 22 ac-ft
- Max storage
- 50 ac-ft
- Drainage area
- 0.04 sq mi
- Hazard class
- High
- Owner
- Loch Lono, LLC, Haynes & Associates
Source: USACE National Inventory of Dams, NID ID AR00521 · Operator website · Matched by proximity (0.01 km)
Graded lakes near Partners Lake_spillway
Partners Lake_spillway has no grade, but these lakes within a short drive do.
Nearby Lakes in Benton County
Frequently asked questions about Partners Lake_spillway
Where is Partners Lake_spillway?
- Partners Lake_spillway is a lake in Benton County, Arkansas. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Partners Lake_spillway?
- Partners Lake_spillway in Benton County, Arkansas is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 7.5 ft visibility. Surface area: 7 acres.
Is Partners Lake_spillway safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Partners Lake_spillway across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 2015. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- GLEON Lake Observer (Volunteer)
GLEON1 sample · 2015
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.