Nj Water Supply Authority Manasquan, NJ
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Nj Water Supply Authority Manasquan at a glance
Nj Water Supply Authority Manasquan serves about 30 people through 6 service connections, which makes it a very small 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: NJ1352005; phone on file: 732-974-8383. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2025 (0.32 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Nj Water Supply Authority Manasquan is 132.2 ppb across 14 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 0.32 ppb |
| 2024 | 0 (not detected) |
| 2024 | 0 (not detected) |
| 2023 | 0 (not detected) |
| 2023 | 0.99 ppb |
| 2022 | 0 (not detected) |
| 2020 | 0.26 ppb |
| 2020 | 0.48 ppb |
| 2019 | 132.2 ppb over 15 |
| 2018 | 5 ppb |
| 2018 | 4.7 ppb |
| 2017 | 3.85 ppb |
| 2017 | 3.79 ppb |
How Nj Water Supply Authority Manasquan 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. Nj Water Supply Authority Manasquan's reported as 0 (not detected) sits at the 0th percentile in New Jersey and the 1st nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
35 other systems share Monmouth County; 21 of them have a higher latest lead result than Nj Water Supply Authority Manasquan. 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 |
| Belmar Water Dept | 20,000 | 0.77 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 |
Your move
Test your own tap with a certified lab first-draw sample; Wall Twp, 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 Nj Water Supply Authority Manasquan 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Why an old exceedance still matters: over the limit before, under it now.