Oak Ridge Mobile Home Park, NJ
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2025-2025). 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.
About Oak Ridge Mobile Home Park
Oak Ridge Mobile Home Park serves about 100 people through 54 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Morris County, New Jersey. EPA system ID: NJ1414008; phone on file: 973-271-3832. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 23 ppb from 23 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Oak Ridge Mobile Home Park is 23 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2024 | 23 ppb over 15 |
| 2021 | 0 (not detected) |
| 2018 | 1.38 ppb |
Where this result ranks
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. Oak Ridge Mobile Home Park's reported as 0 (not detected) sits at the 9th percentile in New Jersey and the 9th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
60 other systems share Morris County; 38 of them have a higher latest lead result than Oak Ridge Mobile Home Park. 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 |
Your move
Test your own tap with a certified lab first-draw sample; Oak Ridge, 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 Oak Ridge Mobile Home Park 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. More in what a past exceedance means today.