NJShore Guide

Brown Ave S

Spring Lake Borough, Monmouth County

Good

Good Water Quality

Clean water with minimal concerns

Very low bacteria levels - excellent water quality

5-Year Water Quality Trend

ExcellentGoodEPA Limit050100CFU/100mL202220232024120251
Bacteria Level#Advisories

Chart shows geometric mean bacteria levels (CFU/100mL) by year. The EPA Beach Action Value is 104 CFU/100mL.

Year-by-Year Data

YearGeomeanAdvisoriesClosures
20258 CFU10
20248 CFU10
20236 CFU00
20225 CFU00
2021No data00
5-Year Avg7 CFU20

Quick Stats

5-Year Geomean
7 CFU/100mL
2025 Advisories
1
Total Closures (5yr)
0
Beach Type
lake
Station ID
MC1060

Exercise Caution

1 advisory this year. Avoid after heavy rain.

2025 Advisories

1

5-Year Total

2

No closures in the past 5 years

Tip: Wait 24-48 hours after heavy rainfall before swimming. Bacteria levels typically return to normal within this timeframe.

Explore Spring Lake Borough

View beaches, dining, attractions, and more in our complete town guide.

View Town Guide →

Data Source

Data provided by the New Jersey Department of Environmental Protection (NJDEP) Cooperative Coastal Monitoring Program (CCMP). Learn more →