NJShore Guide

Lyman

Mantoloking Borough, Ocean County

Excellent

Excellent Water Quality

Consistently clean water with no recent advisories

Very low bacteria levels - excellent water quality

5-Year Water Quality Trend

ExcellentGoodEPA Limit050100CFU/100mL2022202320242025
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
202510 CFU00
202410 CFU00
202310 CFU00
202210 CFU00
2021No data10
5-Year Avg10 CFU10

Quick Stats

5-Year Geomean
10 CFU/100mL
2025 Advisories
0
Total Closures (5yr)
0
Beach Type
ocean
Station ID
OC1012

All Clear

No advisories or closures on record

2025 Advisories

0

5-Year Total

1

No closures in the past 5 years

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Data Source

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