COUNTY WATER-SYSTEM LEDGER
Monmouth, New Jersey
EPA’s September 2026 export lists 22 active community water systems serving Monmouth, New Jersey, with 6 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Monmouth, New Jersey
EPA associates 22 covered systems with Monmouth, New Jersey; their reported population-served values total 647,428 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Nj American Water - Coastal NorthNJ1345001 | 377,613 | Surface water | No current violation flagged |
| Gordons Corner Water CoNJ1326001 | 46,196 | Surface water purchased | No current violation flagged |
| Freehold Twp Water DeptNJ1316001 | 29,831 | Surface water purchased | No current violation flagged |
| Marlboro Township Water Utility DivisionNJ1328002 | 29,480 | Surface water purchased | No current violation flagged |
| Wall Twp Water DeptNJ1352003 | 26,000 | Surface water purchased | No current violation flagged |
| Belmar Water DeptNJ1306001 | 20,000 | Surface water purchased | No current violation flagged |
| Manasquan Water DepartmeNJ1327001 | 14,000 | Ground water | No current violation flagged |
| Red Bank Water DeptNJ1340001 | 12,520 | Surface water purchased | No current violation flagged |
| Spring Lake Water DepartmentNJ1348001 | 11,270 | Surface water purchased | Current monitoring/reporting flag |
| Freehold Borough Water DNJ1315001 | 11,029 | Ground water | No current violation flagged |
| Keansburg Water & Sewer Dept.NJ1321001 | 10,105 | Surface water purchased | Current monitoring/reporting flag |
| Matawan Borough Water DeNJ1329001 | 9,084 | Surface water purchased | No current violation flagged |
| Manalapan Twp - Knob HillNJ1326002 | 8,700 | Surface water purchased | No current violation flagged |
| Keyport Water DeptNJ1322001 | 7,500 | Surface water purchased | Current monitoring/reporting flag |
| Aberdeen - Cliffwood/Cliffwood BeachNJ1330002 | 6,775 | Surface water purchased | Current monitoring/reporting flag |
| Avon By The Sea Water DeNJ1305001 | 5,000 | Surface water purchased | No current violation flagged |
| Borough Of Springlake HeightsNJ1349001 | 5,000 | Surface water purchased | No current violation flagged |
| Brielle Water DeptNJ1308001 | 4,800 | Surface water purchased | Other current violation flag |
| Atlantic Highlands WaterNJ1304001 | 4,385 | Ground water | No current violation flagged |
| Lake Como Water DeptNJ1347001 | 3,000 | Surface water purchased | No current violation flagged |
| Sea Girt Water DeptNJ1344001 | 2,636 | Surface water purchased | No current violation flagged |
| Englishtown Water DeptNJ1312001 | 2,504 | Surface water purchased | Current monitoring/reporting flag |
02 / SOURCE MIX
Primary water sources for Monmouth, New Jersey
EPA classifies 22 systems serving Monmouth, New Jersey across 3 primary-source categories; Surface water is the largest category with 1 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.