Mt Olive Villages Water, NJ
Lead detected, under the action levels
Latest 90th-percentile lead: 5.4 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 Mt Olive Villages Water
Mt Olive Villages Water serves about 5,000 people through 298 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 groundwater, in Morris County, New Jersey. EPA system ID: NJ1427001; phone on file: 973-691-2239. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
That is down 1.6 ppb from 7 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Mt Olive Villages Water is 9.51 ppb across 15 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 5.4 ppb |
| 2025 | 7 ppb |
| 2024 | 9.51 ppb |
| 2024 | 5.04 ppb |
| 2023 | 6.96 ppb |
| 2022 | 3.37 ppb |
| 2021 | 5.88 ppb |
| 2020 | 5.6 ppb |
| 2020 | 6.3 ppb |
| 2019 | 5.9 ppb |
| 2019 | 3.9 ppb |
| 2018 | 8.5 ppb |
| 2018 | 2.9 ppb |
| 2017 | 5.1 ppb |
| 2017 | 4.7 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. Mt Olive Villages Water's 5.4 ppb sits at the 93rd percentile in New Jersey and the 92nd nationally (higher means more lead).
Nearby utilities
60 other systems share Morris County; 2 of them have a higher latest lead result than Mt Olive Villages Water. 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 |
What to do in your house
Test your own tap with a certified lab first-draw sample; Budd Lake, 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 Mt Olive Villages Water whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1550 ppb (copper action level 1,300 ppb).
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. The action level is dropping - the 10 ppb rule from 2027.