Emerald Hills Rehab & Nursing, NJ
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (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. 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.
Who runs the water here
Emerald Hills Rehab & Nursing serves about 180 people through 1 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Warren County, New Jersey. EPA system ID: NJ2116004; phone on file: 570-854-1009. They can tell you what your service line is made of and whether they pay to replace it.
Emerald Hills Rehab & Nursing's lead record
That is down 19.9 ppb from 19.9 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Emerald Hills Rehab & Nursing is 19.9 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2025 | 19.9 ppb over 15 |
| 2021 | 0 (not detected) |
| 2018 | 0 (not detected) |
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. Emerald Hills Rehab & Nursing's reported as 0 (not detected) sits at the 13th percentile in New Jersey and the 14th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Warren County
23 other systems share Warren County; 15 of them have a higher latest lead result than Emerald Hills Rehab & Nursing. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Aqua Nj - Phillipsburg | 26,686 | 0 (not detected) |
| Hackettstown Mua | 22,000 | 5 ppb |
| Nj American Water - Washington/Oxford | 10,719 | 1 ppb |
| Allamuchy Twp Water & Sewer | 5,423 | 2.6 ppb |
| Nj American Water - Belvidere | 2,854 | 0 (not detected) |
| Alpha Municipal Water Works | 2,530 | 12 ppb |
| Township Of Blairstown Dpw | 800 | 1.01 ppb |
| Veolia Water Nj Independence Highland | 350 | 3.84 ppb |
| Country View Village, Llc | 310 | 1.14 ppb |
| Forest Manor Retirement Home | 224 | 0 (not detected) |
Next steps for Oxford, NJ
Test your own tap with a certified lab first-draw sample; Oxford, 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 Emerald Hills Rehab & Nursing 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.