Newton City Lake
Catawba County, North Carolina15 acresView mapDirections
NC DEQ publishes the water-quality measurements for Newton City Lake. Here is what has been measured.
- Mesotrophic
- Limited data
Newton City Lake in Catawba County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Chlorophyll-a (algae): 5.6 µg/L. Surface area: 15 acres.
Newton City Lake is a 15-acre mesotrophic lake in Catawba County, North Carolina. 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. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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 Newton City Lake is safe to swim in today is a call for the North Carolina Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Newton City Lake
These are the measurements NC DEQ publishes for Newton City Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 5.6 µg/L. TSI 48.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 5.6µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 48 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Newton City Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
15 acres
No bathymetric survey has been published for Newton City Lake, so its depth is not documented here.
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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
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. Its water-quality measurements are published by NC DEQ and shown on this page as reported.
What is the water quality of Newton City Lake?
- Newton City Lake in Catawba County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Chlorophyll-a (algae): 5.6 µg/L. Surface area: 15 acres.
Is Newton City Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Newton City Lake across LakeQuality
More lakes in North Carolina
Other Lakes in North Carolina
Mesotrophic Lakes in North Carolina
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)
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.