01The verdict: is Downe Twp.-0604 water safe?
Downe Twp.-0604's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (88.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 771 residents using groundwater (wells).
3 unresolved violations on record
EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.
See what was cited ↓Lead is well under the limit
90th-percentile lead is 3.4 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.
See the trend ↓1 violation in the last five years
Recent compliance history is the best predictor of future problems — the year-by-year record is below.
See the record ↓Downe Twp.-0604's drinking water received a grade of A- (88.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 771 residents using groundwater.
Lead levels were measured at 3.4 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program. The system has 41 violations on record, including 0 health-based violations. 3 remain unresolved.
Downe Twp.-0604 ranks #29 out of 426 cities in New Jersey for water quality, placing it one of the best in the state. Downe Twp.-0604 relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff. As a small community water system, Downe Twp.-0604 may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
02What's in Downe Twp.-0604's water
Every contaminant flagged in Downe Twp.-0604, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 3.4 | 15 | ppb | Inorganic | Safe |
Cities ranked by 90th-percentile lead PF PFAS in New Jersey
Cities ranked by compounds detected Cu Copper in New Jersey
Cities ranked by 90th-percentile copper
03Downe Twp.-0604's ten-year track record
Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 41 violations on record, including 0 health-based violations. 3 remain unresolved.
6 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.
▼ Down 1.6 ppb since 1994. Latest reading: 3.4 ppb (2023) — 23% of the action level. Sampled at higher-risk homes (90th percentile).
04Where Downe Twp.-0604's water comes from
Downe Twp.-0604's drinking water is drawn from underground aquifers through wells.
Groundwater
Underground aquifers reached by wells — naturally filtered, but can carry minerals like arsenic and nitrate.
Local treatment
Groundwater generally needs less treatment — typically disinfection and, where needed, mineral removal.
1 system
1 water system, operated under private ownership.
771 people
Residents served across Downe Twp.-0604's service area.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals. Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds. The system is operated by private ownership and serves approximately 771 people through 1 water system.
| System name | PWSID | Population | Source |
|---|---|---|---|
| BAYVIEW WATER SYSTEM | NJ0604001 | 771 | Groundwater |
05Pressure on Downe Twp.-0604's watershed
Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.
Flood & storm history
10 federal disaster declarations on record for Cumberland County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.
Drought
Cumberland County is in D3 (extreme drought) per the U.S. Drought Monitor (week of Jul 2026). Drought can raise disinfection-byproduct levels and taste/odor issues as utilities draw from lower reservoirs.
06How Downe Twp.-0604 compares
Scores for nearby New Jersey cities on one line, with the average marked.
dashed line = New Jersey average (72/100)
Downe Twp.-0604 scores 88.9/100 — above the New Jersey average of 72/100. It outscores 10 of 10 nearby cities. Full New Jersey rankings →
72.3 / 100BBergenfield Boro-0203, NJ
72.3 / 100BBogota Boro-0204, NJ
72.3 / 100BCarlstadt Boro-0205, NJ
72.3 / 100BCliffside Park Boro-0206, NJ
72.3 / 100BCloster Boro-0207, NJ
72.3 / 100
Compare all cities in the county — grades, violations, and contaminant data side by side.→
07What to do at home
Steps matched to what testing actually found in Downe Twp.-0604's water — not generic advice.
A basic carbon filter still helps
Downe Twp.-0604's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.
Compare tested filters →Flush taps & check your service line
Lead leaches from pipes as water sits. Run cold water 30 seconds before drinking (especially mornings), and ask the utility whether your address still has a lead service line.
Lead risks explained →Watch for Downe Twp.-0604 alerts
This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.
All water alerts →Frequently asked questions
Is Downe Twp.-0604, NJ tap water safe to drink?
Downe Twp.-0604's water quality earned a grade of A- (88.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #29 out of 426 cities tested in New Jersey.
What contaminants are in Downe Twp.-0604's water?
Lead was measured at 3.4 ppb (90th percentile). 41 violations are on record.
How is Downe Twp.-0604's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Downe Twp.-0604?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Downe Twp.-0604's water come from?
Downe Twp.-0604's water is sourced from Groundwater. The city has 1 water system serving approximately 771 residents.
Is Downe Twp.-0604's groundwater at risk of contamination?
Downe Twp.-0604 uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 41 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Downe Twp.-0604's water compare to other cities?
Downe Twp.-0604 ranks #29 out of 426 cities in New Jersey (better than 93% of state cities) and #3172 out of 15382 cities nationally (79th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Downe Twp.-0604's small water system affect quality?
Downe Twp.-0604's system serves approximately 771 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 41 violations on record.