Mount Arlington Boro Dpw Main, NJ
Lead detected, under the action levels
Latest 90th-percentile lead: 3.47 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.
Mount Arlington Boro Dpw Main at a glance
Mount Arlington Boro Dpw Main serves about 1,978 people through 685 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Morris County, New Jersey. EPA system ID: NJ1426005; phone on file: 862-397-2759. They can tell you what your service line is made of and whether they pay to replace it.
Mount Arlington Boro Dpw Main's lead record
Against the period ending 2020 (3.85 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Mount Arlington Boro Dpw Main is 3.85 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 3.47 ppb |
| 2020 | 3.85 ppb |
| 2017 | 0 (not detected) |
| 2017 | 0 (not detected) |
How Mount Arlington Boro Dpw Main 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. Mount Arlington Boro Dpw Main's 3.47 ppb sits at the 83rd percentile in New Jersey and the 85th nationally (higher means more lead).
Neighbouring systems
60 other systems share Morris County; 17 of them have a higher latest lead result than Mount Arlington Boro Dpw Main. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Southeast Morris County Mua | 62,349 | 1.1 ppb |
| Parsippany-Troy Hills Water Department | 50,400 | 4.2 ppb |
| Dover Water Commission | 27,806 | 2.78 ppb |
| Montville Twp Mua | 22,000 | 2.31 ppb |
| Denville Twp Water Dept | 15,881 | 4.31 ppb |
| Madison Water Dept | 15,820 | 2.55 ppb |
| Randolph Twp Public Works Dept | 14,820 | 3.35 ppb |
| Pequannock Twp Water Department | 14,010 | 3.56 ppb |
| Rockaway Twp Water Dept | 14,000 | 2.57 ppb |
| Nj American Water - Roxbury | 11,793 | 4 ppb |
Next steps for Mount Arlington, NJ
Test your own tap with a certified lab first-draw sample; Mount Arlington, 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 Mount Arlington Boro Dpw Main 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. The action level is dropping - the 10 ppb rule from 2027.