Kemmerer City Reservoir
Lincoln County, Wyoming183 acresView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Limited data
Kemmerer City Reservoir in Lincoln County, Wyoming is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 6 ft visibility. Phosphorus: 42.6 µg/L. Surface area: 183 acres.
- Clarity
- 6 ft
- Area
- 183 acres
- Phosphorus
- 42.6 µg/L
- Trend
- → Stable
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Watch Kemmerer City Reservoir’s letter
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Why Kemmerer City 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 Kemmerer City Reservoir, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity and phosphorus, but not 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 Wyoming DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Kemmerer City Reservoir is a 183-acre lake in Lincoln County, Wyoming. Water clarity is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2014-09-16. 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 Kemmerer City Reservoir
These readings exist but are not enough for an A–F grade — see why.
Murky, only visible to about 6 ft. Phosphorus 42.6 µg/L. TSI 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6 ft | Not graded |
| Phosphorus | 42.6 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 183 acres |
No bathymetric survey has been published for Kemmerer City Reservoir, so its depth is not documented here.
Fishing Kemmerer City Reservoir
Water Quality Trend: → Stable
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.207 m/yr | 4 |
| Phosphorus | ↓ Declining | +7.54 µg/L/yr | 4 |
| Chlorophyll-a | → Stable | -0.08 µg/L/yr | 2 |
Reservoir Info (USACE NID)
Kemmerer City Reservoir is a man-made reservoir impounded by the Kemmerer (completed 1942), built primarily for water supply on the Hams Fork River; earth-type dam, 30 ft tall and 850 ft long.
- Surface area
- 183 ac
- Normal storage
- 1,769 ac-ft
- Max storage
- 2,370 ac-ft
- Drainage area
- 271 sq mi
- Hazard class
- High
- Owner
- CITY OF KEMMERER
Source: USACE National Inventory of Dams, NID ID WY01282 · Operator website · Matched by proximity (0.06 km)
Nearby Lakes in Lincoln County
Frequently asked questions about Kemmerer City Reservoir
Where is Kemmerer City Reservoir?
- Kemmerer City Reservoir is a lake in Lincoln County, Wyoming. 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 Kemmerer City Reservoir?
- Kemmerer City Reservoir in Lincoln County, Wyoming is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 6 ft visibility. Phosphorus: 42.6 µg/L. Surface area: 183 acres.
Is Kemmerer City Reservoir safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Kemmerer City Reservoir across LakeQuality
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Where this data comes from
7 measurements from 1 monitoring station, 2013–2014. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- State of Wyoming Department of Environmental Quality Watershed Program
WYDEQ_WATERSHED7 samples · 2013–2014
Analytical methods
- Secchi
- Total Phosphorus After Block Digestion
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.