Spotswood W Dept, NJ
Lead detected, under the action levels
Latest 90th-percentile lead: 2.25 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 Spotswood W Dept
Spotswood W Dept serves about 8,300 people through 2,137 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Middlesex County, New Jersey. EPA system ID: NJ1224001; phone on file: 732-251-0700. They can tell you what your service line is made of and whether they pay to replace it.
Spotswood W Dept's lead record
Against the period ending 2025 (2.31 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Spotswood W Dept is 4.07 ppb across 12 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 2.25 ppb |
| 2025 | 2.31 ppb |
| 2024 | 1.34 ppb |
| 2023 | 0 (not detected) |
| 2022 | 2.11 ppb |
| 2021 | 1.25 ppb |
| 2020 | 1.73 ppb |
| 2019 | 2.54 ppb |
| 2018 | 2.17 ppb |
| 2018 | 2.12 ppb |
| 2017 | 1.59 ppb |
| 2016 | 4.07 ppb |
Against other New Jersey systems
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. Spotswood W Dept's 2.25 ppb sits at the 70th percentile in New Jersey and the 75th nationally (higher means more lead).
Other water systems in Middlesex County
13 other systems share Middlesex County; 2 of them have a higher latest lead result than Spotswood W Dept. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Middlesex Water Company | 233,376 | 0.85 ppb |
| Old Bridge Mua | 68,000 | 1.75 ppb |
| New Brunswick W Dept | 55,000 | 1.78 ppb |
| Perth Amboy Water Department | 52,328 | 0 (not detected) |
| East Brunswick Water Utility | 49,715 | 0.4 ppb |
| Sayreville W Dept | 45,345 | 0.54 ppb |
| North Brunswick W Dept | 43,905 | 2.4 ppb |
| Monroe Twp Utility Department | 36,000 | 1.34 ppb |
| Edison Water Co | 35,000 | 1.18 ppb |
| South River W Dept | 16,000 | 0 (not detected) |
Next steps for Spotswood, NJ
Test your own tap with a certified lab first-draw sample; Spotswood, 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 Spotswood W 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Size matters more than most people expect: small vs large water systems.