Kent Park Lake
Johnson County, Iowa29 acresView mapDirections
Iowa DNR publishes the water-quality measurements for Kent Park Lake. Here is what has been measured.
- Eutrophic
Kent Park Lake in Johnson County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported. Water clarity: 4.8 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11.4 µg/L. Surface area: 28.7 acres.
Free interactive depth-contour map of Kent Park Lake, reaching a maximum surveyed depth of 16 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Iowa DNR.
Kent Park Lake is a 29-acre productive, nutrient-rich eutrophic lake in Johnson County, Iowa. Overall water quality is improving over recent sampling years. Compared to the 2 other monitored lakes in Johnson County, Kent Park Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Iowa DNR, last sampled 2024-08-26. Methodology: how these readings are compared.
Kent Park Lake covers about 29 acres in Johnson County. Vrbo is where to look for cabins and lake homes around Kent Park Lake, and Booking.com and Expedia search hotels near the lake for your dates.
What Kent Park Lake is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
Swimming conditions
Readings onlyLow algae
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 Kent Park Lake is safe to swim in today is a call for the Iowa Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Kent Park Lake
These are the measurements Iowa DNR publishes for Kent Park Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.8 ft. Phosphorus 25 µg/L. Chlorophyll-a 11.4 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 25µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 11.4µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Kent Park Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Kent Park Lake typically sits around 68°F at the surface in September. Summer average is about 80°F. Usually warmest in Jul (about 81°F) and coldest in Sep (about 68°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (68°F) to its warmest (81°F).
Typical surface water temperature by month, from 29 field readings (2010–2023) via the EPA Water Quality Portal. See the full Kent Park Lake water temperature breakdown →
Lake Details
Surface area
29 acres
No bathymetric survey has been published for Kent Park Lake, so its depth is not documented here.
Recreation & Access
Public campgrounds near Kent Park Lake
- F W Kent County Park Campground1.1 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
Stays via Stay22
Stays near Kent Park Lake
Compare lakeside cabins, hotels, and vacation rentals near Kent Park Lake in Johnson County, Iowa — 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 Kent Park Lake
Prices for Oct 23–25, 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 Iowa’s top lakes →
Follow Kent Park Lake’s readings
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Fishing Kent Park Lake
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Stable-0.05 µg/L/yr4 years
Chlorophyll-a
Improving-0.86 µg/L/yr5 years
Reservoir Info (USACE NID)
Kent Park Lake is a man-made reservoir impounded by the F.W.Kent Park Dam (completed 1972), built primarily for recreation on the TR-CLEAR CREEK; earth-type dam, 34 ft tall and 850 ft long.
- Surface area
- 28.7 ac
- Normal storage
- 224 ac-ft
- Max storage
- 336 ac-ft
- Drainage area
- 1.09 sq mi
- Hazard class
- Low
- Owner
- Johnson County Conservation Board
Source: USACE National Inventory of Dams, NID ID IA01324 · Operator website · Matched by proximity (0.07 km)
Regulated Pollution Sources Nearby
5 EPA-permitted facilities operate within about 5 miles of Kent Park Lake under Clean Water Act (NPDES) discharge permits. 5 facilities have a reported Clean Water Act violation in the past three years.
- Parkview Mobile Home CourtOxford · 1.1 mi away · NPDES IA0068349Recent violation
- Oxford City Of StpOxford · 2.8 mi away · NPDES IA0032531Recent violation
- Oxford Water Treatment PlantOxford · 3.6 mi away · NPDES IA0082252Recent violation
- Tiffin City Of StpTiffin · 4 mi away · NPDES IA0036617Recent violation
- Beyonder Getaway At Sleepy HollowOxford · 4.4 mi away · NPDES IA0069094Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Johnson County
Frequently asked questions about Kent Park Lake
Where is Kent Park Lake?
- Kent Park Lake is a lake in Johnson County, Iowa. Its water-quality measurements are published by Iowa DNR and shown on this page as reported.
What is the water quality of Kent Park Lake?
- Kent Park Lake in Johnson County, Iowa has water-quality measurements published by Iowa DNR, shown here as reported. Water clarity: 4.8 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11.4 µg/L. Surface area: 28.7 acres.
Is Kent Park Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Kent Park Lake?
- Kent Park Lake typically sits around 68°F at the surface in September, from 29 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.
Are there campgrounds on Kent Park Lake?
- Kent Park Lake has 1 public campground from USGS The National Map within 5 km, including F W Kent County Park Campground. 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.
Explore Kent Park Lake across LakeQuality
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Where this data comes from
60 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Iowa DNR Surface Water Monitoring Data
21IOWA_WQX60 samples · 2020–2024
Analytical methods
- Unknown
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- In-Vitro Determination of Chlorophyll
- ISU modification of APHA 2130-B
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Public campgrounds from USGS The National Map Structures, within about 3 miles