Skip to main content
LakeQuality

Dmad Reservoir N of Cut

Millard County, UtahView mapDirections

This is the name Utah DWQ records for this water. It can describe one sampling location rather than the water as a whole.

Utah DWQ publishes the water-quality measurements for Dmad Reservoir N of Cut. Here is what has been measured.

Clarity
0.7 ft
Murkier than most
Secchi · sampled 2020
Phosphorus
41 µg/L
Typical for Utah
Measured by Utah DWQ
Chlorophyll-a
4.3 µg/L
Typical for Utah
Measured by Utah DWQ
Type
Mesotrophic
Trophic class
  • Mesotrophic
  • Limited data

Dmad Reservoir N of Cut in Millard County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 0.7 ft visibility. Phosphorus: 41 µg/L. Chlorophyll-a (algae): 4.3 µg/L.

Loading map…

Dmad Reservoir N of Cut is a mesotrophic lake in Millard County, Utah. Overall water quality is declining over recent sampling years. Compared to the 2 other monitored lakes in Millard County, Dmad Reservoir N of Cut ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, Utah DWQ, last sampled 2020-08-05. Methodology: how these readings are compared.

Swimming conditions

Readings only

Limited data

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Dmad Reservoir N of Cut is safe to swim in today is a call for the Utah Division of Water Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Dmad Reservoir N of Cut →

Water quality measurements for Dmad Reservoir N of Cut

These are the measurements Utah DWQ publishes for Dmad Reservoir N of Cut, 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 0.7 ft of visibility. Phosphorus 41 µg/L. Chlorophyll-a 4.3 µg/L. TSI 62.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.7ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus41µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)4.3µg/LGood
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.62Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Dmad Reservoir N of Cut

Answers come straight from the public measurements and survey records on this page.

Stays via Stay22

Stays near Dmad Reservoir N of Cut

Compare lakeside cabins, hotels, and vacation rentals near Dmad Reservoir N of Cut in Millard County, Utah — 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 Dmad Reservoir N of Cut

Prices for Oct 30–Nov 1, 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 Utah’s top lakes →

Follow Dmad Reservoir N of Cut’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Dmad Reservoir N of Cut

2 seasons of samples on record (2014–2020). Calling a direction takes at least 4 years of the same measurement.

  • Water clarity

    Worsening

    2 years

Reservoir Info (USACE NID)

Dmad Reservoir N of Cut is a man-made reservoir impounded by the Dmad (completed 1959), built primarily for irrigation on the Sevier River; earth-type dam, 37 ft tall and 1,200 ft long.

Normal storage
7,735 ac-ft
Max storage
21,887 ac-ft
Drainage area
7,270 sq mi
Hazard class
High
Owner
DMAD COMPANY

Source: USACE National Inventory of Dams, NID ID UT00080 · Operator website · Matched by proximity (0.79 km)

Nearby Lakes in Millard County

Frequently asked questions about Dmad Reservoir N of Cut

Where is Dmad Reservoir N of Cut?

Dmad Reservoir N of Cut is in Millard County, Utah. This is the name Utah DWQ records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by Utah DWQ and shown on this page as reported.

What is the water quality of Dmad Reservoir N of Cut?

Dmad Reservoir N of Cut in Millard County, Utah has water-quality measurements published by Utah DWQ, shown here as reported. Water clarity: 0.7 ft visibility. Phosphorus: 41 µg/L. Chlorophyll-a (algae): 4.3 µg/L.

Measurements on this page ↑

Is Dmad Reservoir N of Cut safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

14 measurements from 1 monitoring station, 2014–2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Utah Department Of Environmental QualityUTAHDWQ_WQX14 samples · 2014–2020

Analytical methods

  • Field Measurements
  • Phosphorus by Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
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.