Richmond City Lake
Franklin County, Kansas14 acresView mapDirections
Nutrients and algae sit mid-range for this region.
- Eutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- #1 of 1 in the county
- Limited data
Richmond City Lake in Franklin County, Kansas has a water quality grade of C (Fair). Water clarity: 3.9 ft visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 19 µg/L. Surface area: 14.18 acres.
- Clarity
- 3.9 ft
- Area
- 14 acres
- Type
- Eutrophic
- Phosphorus
- 27 µg/L
- Chlorophyll-a
- 19 µg/L
- Trend
- ↓ Declining
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Watch Richmond City Lake’s letter
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Richmond City Lake is a 14-acre productive, nutrient-rich eutrophic lake in Franklin County, Kansas. Water quality is graded C based on 2 sampling years through 2017. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2017-08-14. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The C is nutrients and algae, not a swimming clearance. Richmond City Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
Water Quality Grade: C (Fair)
Murky, only visible to about 3.9 ft. Phosphorus 27 µg/L. Chlorophyll-a 19 µg/L. TSI 56. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | Not graded |
| Phosphorus | 27 µg/L | Good |
| Chlorophyll-a (Algae) | 19 µg/L | Fair |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 14 acres |
No bathymetric survey has been published for Richmond City Lake, so its depth is not documented here.
Fishing Richmond City Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | 0 m/yr | 2 |
| Phosphorus | ↓ Declining | +2.5 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +1.25 µg/L/yr | 2 |
Reservoir Info (USACE NID)
Richmond City Lake is a man-made reservoir impounded by the City Water Supply Dam (completed 1955), built primarily for water supply on the Dry Branch-Tr; earth-type dam, 44 ft tall and 650 ft long.
- Surface area
- 14.18 ac
- Normal storage
- 172.86 ac-ft
- Max storage
- 262.9 ac-ft
- Drainage area
- 0.85 sq mi
- Hazard class
- Significant
- Owner
- RICHMOND, CITY OF
Source: USACE National Inventory of Dams, NID ID KS02477 · Operator website · Matched by proximity (0.05 km)
EPA Impairment Status
Richmond City Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit KS-LM046801 · Official waterbody report
County Ranking
Ranked #1 of 1 lakes in Franklin County
Nearby Lakes in Franklin County
Frequently asked questions about Richmond City Lake
Where is Richmond City Lake?
- Richmond City Lake is a lake in Franklin County, Kansas. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Richmond City Lake?
- Richmond City Lake in Franklin County, Kansas has a water quality grade of C (Fair). Water clarity: 3.9 ft visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 19 µg/L. Surface area: 14.18 acres.
Is Richmond City Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Richmond City Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO). Check local advisories before you swim.
Explore Richmond City Lake across LakeQuality
More Kansas Lake Rankings
Other Grade C Lakes in Kansas
Eutrophic Lakes in Kansas
Where this data comes from
10 measurements from 1 monitoring station, 2015–2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kansas Department Of Health And Environment
21KAN001_WQX10 samples · 2015–2017
Analytical methods
- Depth, Secchi disk depth
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
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
Impairment status from EPA ATTAINS 303(d) database