Wall Twp Water Dept, NJ
Lead detected, under the action levels
Latest 90th-percentile lead: 0.52 ppb (monitoring period 2021-2023). 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 Wall Twp Water Dept
Wall Twp Water Dept serves about 26,000 people through 10,400 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: NJ1352003. Ask the utility on your bill for your address in their service line inventory.
Every lead result on file
Against the period ending 2020 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Wall Twp Water Dept is 0.83 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 0.52 ppb |
| 2020 | 0 (not detected) |
| 2017 | 0.83 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. Wall Twp Water Dept's 0.52 ppb sits at the 43rd percentile in New Jersey and the 44th nationally (higher means more lead).
Neighbouring systems
35 other systems share Monmouth County; 16 of them have a higher latest lead result than Wall Twp 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 |
| 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 |
| Manalapan Twp - Knob Hill | 8,700 | 2.4 ppb |
Next steps for Wall Twp, NJ
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 Wall Twp 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.