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Lake Hopatcong, New Jersey Tap Water Quality

Free EPA data for 21 community water systems serving 16,941+ residents. Click any system to see violations, lead test results, and a safety grade.

JEFFERSON TWP W U LK HOP C
LAKE HOPATCONG, NJ · 8,500 people · Groundwater 2 health violations in past 5 yrs
JEFFERSON TWP W U MILTON SYS C
LAKE HOPATCONG, NJ · 4,500 people · Groundwater 2 health violations in past 5 yrs
WINDLASS RESTAURANT & MARINA A
LAKE HOPATCONG, NJ · 1,020 people · Groundwater ✓ No recent health violations
B & J MARKET A
LAKE HOPATCONG, NJ · 602 people · Groundwater ✓ No recent health violations
ALICES F
LAKE HOPATCONG, NJ · 262 people · Groundwater ⚠ 1 active health violation
A PLUS SUNOCO A
LAKE HOPATCONG, NJ · 255 people · Groundwater ✓ No recent health violations
BUILDING 1451 LLC A
LAKE HOPATCONG, NJ · 226 people · Groundwater ✓ No recent health violations
JEFFERSON HOUSE A
LAKE HOPATCONG, NJ · 215 people · Groundwater ✓ No recent health violations
SPEEDY MART A
LAKE HOPATCONG, NJ · 202 people · Groundwater ✓ No recent health violations
#45 SOUTH PLAZA PHASE #1 F
LAKE HOPATCONG, NJ · 199 people · Groundwater ⚠ 1 active health violation
JEFFERSON STRIP MALL F
LAKE HOPATCONG, NJ · 145 people · Groundwater ⚠ 1 active health violation
MASON ST PUB A
LAKE HOPATCONG, NJ · 108 people · Groundwater ✓ No recent health violations
DAYS INN A
LAKE HOPATCONG, NJ · 106 people · Groundwater ✓ No recent health violations
PAUL & CHRISTAS DINER A
LAKE HOPATCONG, NJ · 103 people · Groundwater ✓ No recent health violations
JEFFERSON TWP PUBLIC WORKS A
LAKE HOPATCONG, NJ · 100 people · Groundwater ✓ No recent health violations
SCHOOLEY'S MOUNTAIN PARK A
LAKE HOPATCONG, NJ · 100 people · Groundwater ✓ No recent health violations
JEFFERSON TWP W VASSAR ROAD A
LAKE HOPATCONG, NJ · 90 people · Groundwater ✓ No recent health violations
SKYLAND MEDICAL GROUP, P.A. A
LAKE HOPATCONG, NJ · 84 people · Groundwater ✓ No recent health violations
CLUB 15 A
LAKE HOPATCONG, NJ · 51 people · Groundwater ✓ No recent health violations
CHAPALA GRILL 3 A
LAKE HOPATCONG, NJ · 48 people · Groundwater ✓ No recent health violations
LITTLE NICKS A
LAKE HOPATCONG, NJ · 25 people · Groundwater ✓ No recent health violations

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Lake Hopatcong Drinking Water: Frequently Asked Questions

Is Lake Hopatcong, New Jersey tap water safe to drink?

Lake Hopatcong has 21 community water systems regulated by the EPA. Each system is required to test regularly for hundreds of contaminants and publicly report any violations. Click any water system listed above to see its specific violation history, lead test results, and a plain-English safety grade.

How many water utilities serve Lake Hopatcong, New Jersey?

21 community water systems serve Lake Hopatcong, New Jersey, providing water to approximately 16,941 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Lake Hopatcong tap water have lead?

Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.

What contaminants have been found in Lake Hopatcong drinking water?

EPA violation records for Lake Hopatcong water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.

How do I find out which water company serves my address in Lake Hopatcong?

Enter your Lake Hopatcong ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).