Newton City Lake
Catawba County, North Carolina15 acresView mapDirections
Nutrients and algae sit mid-range for this region.
↓ down from B at the last regrade
- Mesotrophic
- #2 of 3 in the county
- Limited data
Newton City Lake in Catawba County, North Carolina has a water quality grade of C (Fair). Chlorophyll-a (algae): 5.6 µg/L. Surface area: 15 acres.
- Area
- 15 acres
- Type
- Mesotrophic
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Newton City Lake is a 15-acre mesotrophic lake in Catawba County, North Carolina. Water quality is graded C based on 1 sampling years through 2022. Compared to the 2 other monitored lakes in Catawba County, Newton City Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2022-09-13. 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. Check local advisories before you swim.
Water Quality Grade: C (Fair)
No clarity data. Chlorophyll-a 5.6 µg/L. TSI 48. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 5.6 µg/L | Fair |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 15 acres |
No bathymetric survey has been published for Newton City Lake, so its depth is not documented here.
Fishing Newton City Lake
Reservoir Info (USACE NID)
Newton City Lake is a man-made reservoir impounded by the Newton City Lake Dam (completed 1936), built primarily for water supply on the Clark Creek; earth-type dam, 25 ft tall and 300 ft long.
- Surface area
- 15 ac
- Normal storage
- 147 ac-ft
- Max storage
- 208 ac-ft
- Drainage area
- 3.72 sq mi
- Hazard class
- High
- Owner
- City of Newton
Source: USACE National Inventory of Dams, NID ID NC00367 · Operator website
County Ranking
Ranked #2 of 3 lakes in Catawba County
Nearby Lakes in Catawba County
Frequently asked questions about Newton City Lake
Where is Newton City Lake?
- Newton City Lake is a lake in Catawba County, North Carolina. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Newton City Lake?
- Newton City Lake in Catawba County, North Carolina has a water quality grade of C (Fair). Chlorophyll-a (algae): 5.6 µg/L. Surface area: 15 acres.
Is Newton City Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Newton City Lake across LakeQuality
Species activity outlook by water temperature and season
Where to stay at North Carolina's top lakes, each with its grade
Moderate nutrients, good water quality
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Other Grade C Lakes in North Carolina
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Where this data comes from
12 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ12 samples · 2022
Analytical methods
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
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.