Balch Pond-Deep Spot
Balch Pond-Deep Spot in Carroll County, New Hampshire has a water quality grade of C (Fair). Phosphorus: 22.3 µg/L.
- Type
- Mesotrophic
- Public access
- Yes
Balch Pond-Deep Spot is a mesotrophic lake in Carroll County, New Hampshire. Water quality is graded C based on 1 sampling years through 2024. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 19 other monitored lakes in Carroll County, Balch Pond-Deep Spot ranks #20 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-06-25. Grade methodology: LakeGrade methodology.
Watch Balch Pond-Deep Spot water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
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.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
No clarity data. Phosphorus level: 22.3 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 22.3 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Balch Pond-Deep Spot
Compare lakeside cabins, hotels, and vacation rentals near Balch Pond-Deep Spot in Carroll County, New Hampshire — 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 Balch Pond-Deep Spot
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Recreation & Access
- Ivanhoe LakePublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Balch Pond-Deep Spot
EPA Impairment Status
Balch Pond-Deep Spot is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHLAK600021001-01 · Official waterbody report · Matched by proximity (0.33 km)
County Ranking
Ranked #20 of 20 lakes in Carroll County
Nearby Lakes in Carroll County
Frequently asked questions about Balch Pond-Deep Spot
Where is Balch Pond-Deep Spot?
- Balch Pond-Deep Spot is a lake in Carroll County, New Hampshire. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Balch Pond-Deep Spot?
- Balch Pond-Deep Spot in Carroll County, New Hampshire has a water quality grade of C (Fair). Phosphorus: 22.3 µg/L.
Is Balch Pond-Deep Spot safe to swim in?
- Generally safe for swimming, moderate water quality. Balch Pond-Deep Spot has a water quality grade of C (Fair). Always check local health department advisories before swimming.
Are there boat ramps on Balch Pond-Deep Spot?
- Balch Pond-Deep Spot has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Ivanhoe Lake. Public access is listed as yes.
Explore Balch Pond-Deep Spot across LakeGrade
More New Hampshire Lake Rankings
Top 25 by overall water quality score
Top 25 by Secchi water clarity
Grade A/B + low algae filter
Panfish-rich, public access
Full state directory
Other Grade C Lakes in New Hampshire
Mesotrophic Lakes in New Hampshire
Where this data comes from
12 measurements from 1 monitoring station, 2022–2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- New Hampshire Department Of Environmental Services (BEACH)
1111330012 samples · 2022–2024
Analytical methods
- 10-115-01-1 F ~ LACHAT; Total Phosphorus- Manual persulfate digest
- CHLOROPHYLL A-B-C DETERMINATION (MODIFIED)
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
Named boat-access points from the USGS National Boat Ramps inventory