Belmar Water Dept, NJ
Lead detected, under the action levels
Latest 90th-percentile lead: 0.77 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Belmar Water Dept
Belmar Water Dept serves about 20,000 people through 3,193 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Monmouth County, New Jersey. EPA system ID: NJ1306001; phone on file: 732-963-7031. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2025 (0.66 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Belmar Water Dept is 2 ppb across 13 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0.77 ppb |
| 2025 | 0.66 ppb |
| 2025 | 0.9 ppb |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0.5 ppb |
| 2023 | 0.5 ppb |
| 2022 | 2 ppb |
| 2022 | 2 ppb |
| 2021 | 0 (not detected) |
| 2021 | 2 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0 (not detected) |
How Belmar Water Dept compares
Of the 605 New Jersey systems with a lead result, the median latest reading is 1 ppb; 5 are over 15 ppb right now and 52 have gone over at some point. Belmar Water Dept's 0.77 ppb sits at the 46th percentile in New Jersey and the 47th nationally (higher means more lead).
Neighbouring systems
35 other systems share Monmouth County; 13 of them have a higher latest lead result than Belmar Water Dept. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Gordons Corner Water Co | 46,196 | 0.7 ppb |
| Freehold Twp Water Dept | 29,831 | 0 (not detected) |
| Marlboro Township Water Utility Division | 29,480 | 1 ppb |
| Wall Twp Water Dept | 26,000 | 0.52 ppb |
| Manasquan Water Departme | 14,000 | 0.96 ppb |
| Red Bank Water Dept | 12,520 | 1.7 ppb |
| Spring Lake Water Department | 11,270 | 0 (not detected) |
| Freehold Borough Water D | 11,029 | 0.2 ppb |
| Keansburg Water & Sewer Dept. | 10,105 | 0.56 ppb |
| Manalapan Twp - Knob Hill | 8,700 | 2.4 ppb |
Next steps for Belmar, NJ
Test your own tap with a certified lab first-draw sample; Belmar, NJ may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Belmar Water Dept whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.