Tiedman Pond
Dane County, Wisconsin9 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Tiedman Pond. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Tiedman Pond in Dane County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 0.4 ft visibility. Surface area: 9 acres.
Tiedman Pond is a 9-acre lake in Dane County, Wisconsin. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-07-02. Methodology: how these readings are compared.
Tiedman Pond Water Quality Summary (2026)
A printable one-page summary for Tiedman Pond: clarity, phosphorus, algae, multi-year trend, depth, and fish — with sources.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Tiedman Pond is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Tiedman Pond is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Tiedman Pond
These are the measurements Wisconsin DNR publishes for Tiedman Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.4 ft of visibility. TSI 92.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 92 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Tiedman Pond
Answers come straight from the public measurements and survey records on this page.
Current Conditions
USGS snapshot Jul 6, 2026, 1:03 AM from gauge 430504089303001 (Strickers Pond Nr Longmeadow Rd at Madison, WI). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2018. 2 stations on file (most recent sample 2025).
Lake Details
Surface area
9 acres
Public access
Yes
Listed by Wisconsin DNR
No bathymetric survey has been published for Tiedman Pond, so its depth is not documented here.
Stays via Stay22
Stays near Tiedman Pond
Compare lakeside cabins, hotels, and vacation rentals near Tiedman Pond in Dane County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Tiedman Pond
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Wisconsin’s top lakes →
Follow Tiedman Pond’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Tiedman Pond
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
EPA Impairment Status
Tiedman Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
Source: EPA ATTAINS assessment unit WI10001475 · Official waterbody report
Nearby Lakes in Dane County
Frequently asked questions about Tiedman Pond
Where is Tiedman Pond?
- Tiedman Pond is a lake in Dane County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Tiedman Pond?
- Tiedman Pond in Dane County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 0.4 ft visibility. Surface area: 9 acres.
Is Tiedman Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Tiedman Pond is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water level at Tiedman Pond?
- The USGS snapshot on this page for Tiedman Pond is 0.94 ft of gage height, recorded Jul 6, 2026, 1:03 AM at gauge 430504089303001. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
Can I fish at Tiedman Pond?
- Public access to Tiedman Pond is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore Tiedman Pond across LakeQuality
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Dane County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Madison Area Lakes area
Where to stay at Wisconsin's top lakes, each with its readings
Lakes in the Wisconsin River Watershed, ranked by water quality
Wisconsin's cleanest lakes, ranked on agency measurements
More lakes in Wisconsin
State Parks Near Tiedman Pond
Other Lakes in Wisconsin
Hypereutrophic Lakes in Wisconsin
Where this data comes from
7 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX7 samples · 2020–2025
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Fish and recreation data from Wisconsin DNR Lakes