Tie Hack Reservoir
Johnson County, Wyoming63 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.
- Public access
- Limited data
Tie Hack Reservoir in Johnson County, Wyoming is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 12.9 ft visibility. Phosphorus: 10 µg/L. Surface area: 63 acres.
- Clarity
- 12.9 ft
- Area
- 63 acres
- Phosphorus
- 10 µg/L
- Public access
- Yes
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Watch Tie Hack Reservoir’s letter
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Why Tie Hack 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 Tie Hack 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.
Tie Hack Reservoir is a 63-acre lake in Johnson County, Wyoming. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ, last sampled 2018-09-11. Grade methodology: LakeQuality methodology.
What Tie Hack Reservoir is good for
From access and monitoring records, not editorial picks.
- Clear water12.9 ft of visibility
- Boat launch1 documented ramp
- Camping2 public campgrounds nearby
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Tie Hack Reservoir
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 12.9 ft. Phosphorus 10 µg/L. TSI 39.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.9 ft | Not graded |
| Phosphorus | 10 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 39 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 63 acres |
| Public Access | Yes |
No bathymetric survey has been published for Tie Hack Reservoir, so its depth is not documented here.
Recreation & Access
- Tie Hack ReservoirPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Tie Hack Reservoir
- Tie Hack1.7 km
- South Fork2.3 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Fishing Tie Hack Reservoir
Reservoir Info (USACE NID)
Tie Hack Reservoir is a man-made reservoir impounded by the Tie Hack (completed 1997), built primarily for water supply on the South Fork Clear Creek; concrete-type dam, 110 ft tall and 500 ft long.
- Surface area
- 63 ac
- Normal storage
- 2,435 ac-ft
- Drainage area
- 40.8 sq mi
- Hazard class
- High
- Owner
- CITY OF BUFFALO
All listed purposes: Water Supply;Hydroelectric.
Source: USACE National Inventory of Dams, NID ID WY02030 · Operator website
Graded lakes near Tie Hack Reservoir
Tie Hack Reservoir has no grade, but these lakes within a short drive do.
Nearby Lakes in Johnson County
Frequently asked questions about Tie Hack Reservoir
Where is Tie Hack Reservoir?
- Tie Hack Reservoir is a lake in Johnson 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 Tie Hack Reservoir?
- Tie Hack Reservoir in Johnson County, Wyoming is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 12.9 ft visibility. Phosphorus: 10 µg/L. Surface area: 63 acres.
Is Tie Hack Reservoir safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Tie Hack Reservoir?
- Tie Hack Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Tie Hack Reservoir. Public access is listed as yes.
Are there campgrounds on Tie Hack Reservoir?
- Tie Hack Reservoir has 2 public campgrounds from USGS The National Map within 5 km, including Tie Hack, South Fork. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
6 measurements from 1 monitoring station, 2018. 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_WATERSHED6 samples · 2018
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.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles