Pike Lake
Kosciusko County, IndianaView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Nutrients (phosphorus, nitrogen)
- 45 ft max depth
- Limited data
Pike Lake in Kosciusko County, Indiana is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.9 ft visibility.
- Clarity
- 1.9 ft
- Typical in September
- 78°F
- Max depth
- ~45 ft est.
- Trend
- → Stable
Stays via Stay22
Stays near Pike Lake
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Watch Pike Lake’s letter
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Why Pike Lake has no grade
Pike Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Pike Lake is Not Rated — not an F. Its 1.9-foot median from 11 readings collected 2021 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by IDEM and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Pike Lake is a lake in Kosciusko County, Indiana with an estimated average depth of about 45 feet. Water clarity is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2021-08-09. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedBacteria D
Based on E. coli testing, Pike Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 20% of 25 samples across 3 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Indiana’s current beach and health-department advisories before swimming.
Water quality measurements for Pike Lake
These readings exist but are not enough for an A–F grade — see why.
Very murky, less than 1.9 ft of visibility. TSI 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.9 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Current Conditions
USGS snapshot Sep 7, 2026, 3:00 PM from gauge 03331040 (PIKE LAKE AT WARSAW, IN). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Pike Lake water level: the live USGS gauge reading
Water Temperature
Pike Lake typically sits around 78°F at the surface in September. Summer average is about 79°F. Usually warmest in Jul (about 81°F) and coldest in Apr (about 52°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 32 field readings (2013–2022) via the EPA Water Quality Portal. See the full Pike Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~45 ft est. |
| Average Depth | ~12 ft est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Indiana has not published bathymetry for Pike Lake.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Pike Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.066 m/yr | 5 |
| Phosphorus | ↓ Declining | +6.27 µg/L/yr | 5 |
| Chlorophyll-a | → Stable | -0.05 µg/L/yr | 5 |
EPA Impairment Status
Pike 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 INB06P1005_00 · Official waterbody report
Regulated Pollution Sources Nearby
52 EPA-permitted facilities operate within about 5 miles of Pike Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Milestone Technologies Inc. Dba Da-Lite Screen CompanyWarsaw · 2 mi away · NPDES INRM00651Recent violation
- Sun Metal Products, Inc.Warsaw · 0.7 mi away · NPDES IN0054640
- Meijer Lots B & CWarsaw · 0.7 mi away · NPDES INR10P184
- Belle Tire WarsawWarsaw · 0.7 mi away · NPDES INRA00940
- Growing Kids Learning CenterWarsaw · 0.7 mi away · NPDES INRA01608
- Kosciusko Community YmcaWarsaw · 0.8 mi away · NPDES INR10H262
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 Kosciusko County
Frequently asked questions about Pike Lake
Where is Pike Lake?
- Pike Lake is a lake in Kosciusko County, Indiana. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Pike Lake?
- Pike Lake in Kosciusko County, Indiana is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.9 ft visibility.
Is Pike Lake safe to swim in?
- Based on E. coli testing, Pike Lake frequently exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 20% of 25 samples across 3 seasons. That works out to a bacteria swim-safety grade of D — a historical summary of past testing, not a current reading. Pike Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Bacteria levels can spike quickly after heavy rain, so always check Indiana's current beach and health-department advisories before you swim.
What is the water temperature of Pike Lake?
- Pike Lake typically sits around 78°F at the surface in September, from 32 EPA Water Quality Portal field readings (2013–2022). That is a typical value for the month, not a live reading.
How deep is Pike Lake?
- No published bathymetric survey covers Pike Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 45 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
What is the water level at Pike Lake?
- The USGS snapshot on this page for Pike Lake is 5.72 ft of gage height, recorded Sep 7, 2026, 3:00 PM at gauge 03331040. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
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Where this data comes from
11 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS11 samples · 2021
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)