Hunterdon County, New Jersey — public water systems
At a glance
293 active public water systems are filed under Hunterdon County, New Jersey in EPA's SDWIS records, together reporting 91,772 people served. The largest is Clinton Water Dept, which reports serving 12,500 people. 25 are community water systems serving people where they live; the other 268 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
293
Population served
91.8K
Community systems
25
Groundwater share
99.7%
How does Hunterdon County compare with other New Jersey counties?
Hunterdon County has the 3rd-most active public water systems among the 62 counties listed for active New Jersey systems in EPA records; among the 27 with 3 or more systems, the median has 101. Its systems report 91,772 people served in total, the 19th-largest county figure in the state and 1% of the statewide total. The average system here reports serving 313 people, well below the New Jersey average of 2,750. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Hunterdon County's drinking water come from?
By primary water source, Hunterdon County's active systems draw on groundwater (292, 100%) and surface water (1, 0.3%). Overall, 100% rely mainly on groundwater (including purchased groundwater) and 0.3% on surface water, compared with 96% and 4.5% across New Jersey. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Clinton Water Dept, draws primarily on groundwater.
What kinds of water systems operate in Hunterdon County?
Hunterdon County's active systems break down as 25 community systems (8.5%), 71 non-transient non-community systems (24%) and 197 transient non-community systems (67%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (78%), local government (17%) and state government (4.4%).
The 50 largest water systems in Hunterdon County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Clinton Water Dept | Hunterdon | 12,500 | Community | Groundwater |
| 2 | Flemington Water Department | Hunterdon | 4,581 | Community | Groundwater |
| 3 | Veolia Water New Jersey Lambertville | Hunterdon | 3,960 | Community | Surface water |
| 4 | Washington Twp Mua-Hager | Hunterdon + 1 more | 3,458 | Community | Groundwater |
| 5 | High Bridge W Dept | Hunterdon | 3,300 | Community | Groundwater |
| 6 | State of Nj Spruce Run Recreat | Hunterdon | 2,800 | Transient non-community | Groundwater |
| 7 | Glen Gardner W Dept | Hunterdon | 1,705 | Community | Groundwater |
| 8 | Voorhees High School | Hunterdon | 1,700 | Non-transient non-community | Groundwater |
| 9 | Milford W Dept | Hunterdon | 1,453 | Community | Groundwater |
| 10 | Hampton Borough Water Depart | Hunterdon | 1,401 | Community | Groundwater |
| 11 | Nj American Water - Frenchtown | Hunterdon | 1,373 | Community | Groundwater |
| 12 | Delaware Valley Regional | Hunterdon | 1,055 | Non-transient non-community | Groundwater |
| 13 | Exxonmobil Technology and Engineering Co | Hunterdon | 940 | Non-transient non-community | Groundwater |
| 14 | Edna Mahan Correctional | Hunterdon | 940 | Community | Groundwater |
| 15 | Aqua Nj - Califon | Hunterdon | 936 | Community | Groundwater |
| 16 | Verduccia Verducci Plaza | Hunterdon | 921 | Transient non-community | Groundwater |
| 17 | Bishop & Bishop (Well #2 | Hunterdon | 895 | Non-transient non-community | Groundwater |
| 18 | Jersey Cider Works | Hunterdon | 810 | Transient non-community | Groundwater |
| 19 | Bishop & Bishop Well # 1 | Hunterdon | 775 | Non-transient non-community | Groundwater |
| 20 | Bulls Island - Picnic | Hunterdon | 700 | Transient non-community | Groundwater |
| 21 | Hunterdon Hills Playhouse | Hunterdon | 666 | Transient non-community | Groundwater |
| 22 | Stockton Water Department | Hunterdon | 650 | Community | Groundwater |
| 23 | Readington Middle School | Hunterdon | 628 | Non-transient non-community | Groundwater |
| 24 | Aqua Nj - Riegel Ridge | Hunterdon | 621 | Community | Groundwater |
| 25 | Readington Middle School Well #2 | Hunterdon | 620 | Non-transient non-community | Groundwater |
| 26 | Quick Check Food Store | Hunterdon | 620 | Transient non-community | Groundwater |
| 27 | Ymca Deer Path Park | Hunterdon | 595 | Transient non-community | Groundwater |
| 28 | South Hunterdon Regional Hs | Hunterdon | 589 | Non-transient non-community | Groundwater |
| 29 | Holland Brook School | Hunterdon | 575 | Non-transient non-community | Groundwater |
| 30 | Grayrock Village | Hunterdon | 566 | Transient non-community | Groundwater |
| 31 | Rambling Pines Day Camp | Hunterdon | 553 | Non-transient non-community | Groundwater |
| 32 | Copper Hill School | Hunterdon | 550 | Non-transient non-community | Groundwater |
| 33 | Lebanon Twp Sch - Valley View | Hunterdon | 540 | Non-transient non-community | Groundwater |
| 34 | Robert Hunter School | Hunterdon | 525 | Non-transient non-community | Groundwater |
| 35 | Speedway Service Station #03476 | Hunterdon | 507 | Transient non-community | Groundwater |
| 36 | Dunkin Donuts | Hunterdon | 506 | Transient non-community | Groundwater |
| 37 | Bloomsbury Citco Gas & Go | Hunterdon | 505 | Transient non-community | Groundwater |
| 38 | The Corner Store | Hunterdon | 505 | Transient non-community | Groundwater |
| 39 | East Amwell School District | Hunterdon | 504 | Non-transient non-community | Groundwater |
| 40 | Polar-Cub | Hunterdon | 503 | Transient non-community | Groundwater |
| 41 | Delaware Township Mua | Hunterdon | 500 | Community | Groundwater |
| 42 | Am Best Co | Hunterdon | 500 | Non-transient non-community | Groundwater |
| 43 | Kingwood Township School | Hunterdon | 499 | Non-transient non-community | Groundwater |
| 44 | Woodglen Elementary School | Hunterdon | 490 | Non-transient non-community | Groundwater |
| 45 | Old Turnpike School | Hunterdon | 428 | Non-transient non-community | Groundwater |
| 46 | Clinton Station Diner | Hunterdon | 420 | Transient non-community | Groundwater |
| 47 | Pilot Travel Centers | Hunterdon | 414 | Transient non-community | Groundwater |
| 48 | Food Mart/Dunkin Donuts | Hunterdon | 404 | Transient non-community | Groundwater |
| 49 | Three Bridges School | Hunterdon | 404 | Non-transient non-community | Groundwater |
| 50 | Calvery Bible Church | Hunterdon | 402 | Transient non-community | Groundwater |
All other water systems in Hunterdon County (243)
The remaining active systems filed under Hunterdon County, largest first, with the population each reports serving.
- Hunterdon County Fairgrounds401
- Barley Sheaf School400
- Holland Center384
- Franklin Twp School371
- Busy Bee365
- Three Bridges Cafe359
- Francis A Desmares Schoo357
- Half Pint Daycare350
- Union Township Middle School345
- Patrick Mcgaheran School345
- Conley Elementary School339
- Tewksbury Elementary School338
- Salvation Army Camp Tecumseh321
- H & R Management Inc.317
- Diamond Nation312
- Whitehouse Country Store304
- Jimmys Ice Cream Stand303
- West Amwell Township School298
- Union Township Elem School287
- Hunterdon Care Center284
- Flemington Nj Motor Vehicle Commission280
- Camp Carr Hunterdon Ymca277
- Mill Road Dairy270
- Round Valley State Park Rec Area South270
- South Hunterdon Regional Middle School270
- Angelico Winery260
- Countryside Plaza257
- Rosemont Water Company256
- Ramada Inn253
- Ramada Inn - Rear253
- Hoppock Middle School252
- Aqua Nj - Bunnvale252
- Winnewald Day Camp250
- Ryland Inn249
- Nj American Water - Oldwick246
- Brady Foundation Lifecamp232
- Travel Inn220
- Tigarmart215
- Camp Bernie215
- Finnagels208
- Carousel Deli & Bakery207
- Chelsea'S Restaurant206
- Alexandria Middle School205
- Flemington Deli205
- St. John Newman Church205
- Woodglen Store LLC204
- Five Birds Farm LLC203
- Dutch Mill Market203
- Deer Path Park #1201
- South Ridge Community Church200
- Ss & B Professional Office Bldg200
- Hunterdon County Ymca Child Care200
- Southridge Community Church200
- Sarah Dilts Farm Main Pavilion200
- Senator G.W. Hagedorn Psychiatric Hospit200
- Riley & Jake'S Restaurant & Bar195
- Country Arch Care Center190
- Ritas184
- Aqua Nj - Fox Hill172
- Polish American Club170
- Dukes Pizzeria and Restaurant165
- Tewksbury Inn165
- Spinning Wheel Diner160
- Kitchen American Grill159
- Ringoes Diner158
- Tractor Supply Co157
- Heron Glen Golf Course156
- Salem Industrial Park155
- Liberty Food Mart155
- Harper'S Table154
- Zoria Petroleum154
- Kingwood Township153
- Hood Properties LLC153
- Milford Auto Parts153
- East Amwell Twp Clawson Park150
- Jugstown Mt Campsites149
- Round Valley State Park Rec Area North W144
- Sinbad Restaurant142
- Preschool of the United Methodist Church140
- Red Horse Shoppes136
- Bunnvale Assembly of God136
- Verano Nj135
- Farm 31133
- Amwell Valley Diner131
- The Ridge at Backbrook120
- Copper Hill Country Club114
- Hoffmans Crossing School113
- Georgia Pacific Corp Corrugated Iii112
- 57 Old Turnpike LLC111
- Alexandria Twp Municipal Complex110
- Neighbhors Plaza 513110
- Ringoes Country Deli108
- The Rail at Readington107
- Exxon Tiger Mart107
- Angelos Pizza106
- Cross Roads Camp and Retreat Center106
- Jerrys Brooklyn Grill106
- Mangia Bella105
- Frenchtown Roller Rink104
- Old Wick Fire Company104
- Mt. Airy Happy Time School104
- Hunterdon Preparatory School104
- Razberrys103
- Tavern 519103
- Marinellis103
- Cafe Maria103
- Mountain View Campground103
- Thee Ice Cream Parlor102
- Flemington Armory100
- Rolling Hills Care Center97
- Hitran Corp96
- Gymnastics Unlimited96
- Echo Hill Park95
- Rts Packaging92
- Hickory Run Family Practice91
- The Farmhouse at Grand Colonial90
- The Point90
- Desapio Properties Six90
- Harvest Moon Inn87
- Readington Municipal Bld87
- Base Camp 3186
- Mountainview Chalet86
- Camelot at Spruce Ridge85
- Salem Square85
- Raposa Kaiser Assoc. LLC85
- Sportsmans Plaza84
- Moms Restaurant83
- Stanton Ridge Golf & Country Club83
- Spain Inn82
- Fred Beans Hyundai Flemington81
- The Perryville Inn81
- Little York Tavern81
- Village Plaza80
- Courtside Racquet Club80
- Ginnys Cafe79
- Orlandos Cafe79
- Fred Beans Toyota79
- Bagel Smith Deli & Grill79
- Arites Bar & Grill79
- Sunoco Food Mart77
- Sunset Food Market77
- Readington Brewery77
- Stanton Learning Center76
- Barn Well75
- Lenape Park75
- Quakertown Fire Company75
- Osaka Sushi75
- Dominos Pizza74
- Colonial Sportsmen Club74
- Garden State Growers74
- Berry Patch Early Learning73
- Darcy Lodge72
- Magnolia Montessori72
- Bartles Corner Bus Park71
- Ulivo71
- American Baptist Churches of New Jersey71
- Pattenburg House70
- Acorn Montessori School Building # 370
- Route 12 Business Park68
- Clinton Elks Lodge 243468
- Bourbon Street Land Co Inc.67
- El Patron67
- Fidlers Elbow Golf Course65
- Bohem Golf65
- Miss Janet'S Sunshine Schoolhouse64
- Vianini Pipe Inc.62
- Highlands Family Health Center62
- Janina Gourmet62
- Hunterdon Cty Park Arbor61
- Beneduce Vineyards61
- Rick'S Bistro & Bar60
- Meadow Brook Winery60
- Muddy Waters Gastropub60
- Toyota World of Clinton60
- The Fudge Shoppe60
- Good Days Cafe59
- El Molcajete58
- Jersey Cider Works58
- Luxfer Mel Technologies Dba Mel Chemical56
- Perryville Family Dentistry56
- Mariarosa55
- Sky Manor Airport LLC55
- Three Bridges Fire Company54
- Luna Pizza54
- Taco Shack LLC54
- Bartles Corner Business Park Bldg 253
- Brunello Trattoria53
- Red Schoolhouse Med. & Prof. Complex-Wel53
- Stanton Italian Table53
- 31 South Grille & Deli52
- Bethlehem Presbyterian Church52
- Nj Water Supply Auth51
- Unity Spirtual Center51
- Fountain Motel51
- Cornhuskers50
- Hillcrest Park50
- Valero Food Mart49
- Acorn Montessori School Toddler House48
- Acorn Montessori School Building #248
- Arc/Hunterdon Adult Trai45
- Chroma Color Corporation45
- 152 Oldwick Rd LLC44
- Dogwood Drive Realty LLC44
- Energy Kinetics44
- Clinton Plaza Prof Bldg44
- Doves Rch43
- Los Chilitos43
- Minalex Corp41
- Asbury Graphite Mills (O40
- Teen Challenge40
- Right at Home Daycare39
- Pittstown Inn38
- Pine Creek36
- Little Brook Nursing Convalescent Home36
- First Step Learning Ctr34
- Bartles Corner Bus Park Office Bldg 234
- Jerzees34
- Farm House Inn33
- Brite Side Adult Care Center33
- Stanton Ridge Golf Course33
- Unionville Vineyards32
- Golden Nugget32
- Mountain View 7832
- Old York Cellars32
- Whitehouse Motel32
- Valley Crest Farm & Preserve31
- Franks Pizza31
- Edgewood Farm Kitchen30
- Voorhees State Park30
- The Gables30
- Tradition Residential Health Care30
- Voorhees State Park30
- Voorhees State Park30
- Catering By Maddalenas29
- Kuhl Corporation29
- Fred Beans Kia27
- Federal Twist Vineyard Inc.27
- Kuhl Corporation27
- Flemington Lodge #182927
- Hunterdon Cnty Comm Bld26
- Bobolink Dairy25
- Summer Road Park25
- Reagent Chemical & Research25
Also serving Hunterdon County
These systems serve several counties, including Hunterdon County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nj American Water - Short Hills | Warren + 6 more | 217,230 | Community | Surface water |
Hunterdon County water systems: frequently asked questions
How many public water systems are in Hunterdon County, New Jersey?
EPA's SDWIS records file 293 active public water systems under Hunterdon County, New Jersey: 25 community systems (8.5%), 71 non-transient non-community systems (24%) and 197 transient non-community systems (67%). At least 1 more system is listed under another county but also serve Hunterdon County.
Who supplies drinking water in Hunterdon County, NJ?
The largest community water systems filed under Hunterdon County are Clinton Water Dept (12,500 people served), Flemington Water Department (4,581 people served) and Veolia Water New Jersey Lambertville (3,960 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Hunterdon County's drinking water come from groundwater or surface water?
Of the 293 active public water systems in Hunterdon County, 100% draw mainly on groundwater and 0.3% on surface water, counting purchased supplies. The largest system, Clinton Water Dept, uses groundwater.
Where can I find a water quality report for Hunterdon County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 25 community systems are filed under Hunterdon County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Hunterdon County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More New Jersey water systems
- All New Jersey public water systems· 3,496 active
- Sussex County· 476 systems
- Morris County· 302 systems
- Burlington County· 292 systems
- Monmouth County· 288 systems
- Warren County· 219 systems
- Ocean County· 210 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Public water systems in Hunterdon County, New Jersey”, https://aquacensus.com/water-systems/new-jersey/hunterdon (data as of October 1, 2026).