Is Riverdale Boro-1433, NJ Tap Water Safe to Drink?
Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86.8/100
waterverge.com Riverdale Boro-1433, NJ — Water Quality Report
Riverdale Boro-1433's drinking water received a grade of A- (86.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,850 residents using purchased surface water.
Lead levels were measured at 0.0 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 53 violations on record, including 0 health-based violations. 4 remain unresolved.
What to know about Riverdale Boro-1433's water
Riverdale Boro-1433 ranks #40 out of 435 cities in New Jersey for water quality, placing it one of the best in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
As a small community water system, Riverdale Boro-1433 may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Riverdale Boro-1433, NJ water safe to drink?
Riverdale Boro-1433's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,850 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Riverdale Boro-1433
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Riverdale Boro-1433's water quality assessment. Grade: A- (86.8/100).
Contaminants: Nitrate.
Contaminants: Chlorine.
Contaminants: E. COLI.
Federal disaster declaration (FEMA DR-4614). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3573). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Riverdale Boro-1433's water supply.
Well within EPA limits.
Violation history
Riverdale Boro-1433's water system has 53 total violations on record, including 0 health-based violations. 4 remain unresolved. 4 violations were issued in the last 5 years.
Flood & environmental risk
Morris County has experienced 10 federally declared disasters since 1999. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Rockaway River At Main Street At Boonton, Boonton Reservoir At Boonton, Rockaway River Below Reservoir At Boonton, Whippany River Near Pine Brook, Passaic River At Pine Brook.
Where does Riverdale Boro-1433's water come from?
Riverdale Boro-1433's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 2,850 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Rockaway River At Main Street At Boonton (river), Boonton Reservoir At Boonton (lake), Rockaway River Below Reservoir At Boonton (river), Whippany River Near Pine Brook (river), Passaic River At Pine Brook (river).
What Riverdale Boro-1433 residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Riverdale Boro-1433's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Riverdale Boro-1433's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D1 — moderate droughtMorris County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Morris County has experienced 10 federally declared disasters since 1999. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Riverdale Boro-1433 compares by contaminant
Explore where Riverdale Boro-1433 ranks among all New Jersey cities for specific contaminants.
Water source & infrastructure
Where Riverdale Boro-1433's water comes from
Riverdale Boro-1433's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 2,850 people through 1 water system.
Water bodies near Riverdale Boro-1433
Riverdale Boro-1433 is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Riverdale Boro-1433
| System Name | PWSID | Population | Source |
|---|---|---|---|
| RIVERDALE BORO WATER DEP | NJ1433001 | 2,850 | SWP |
How Riverdale Boro-1433 compares
Full New Jersey rankings →Riverdale Boro-1433's score of 86.8/100 is above the average of 63/100 among major New Jersey cities. It outscores 10 of 10 nearby cities.
Nearby cities
View New Jersey rankings →About Riverdale Boro-1433, NJ
Wikipedia →Riverdale is a borough in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 4,107, an increase of 548 (+15.4%) from the 2010 census count of 3,559, which in turn reflected an increase of 1,061 (+42.5%) from the 2,498 counted in the 2000 census.
Learn more about your water
Guides and resources related to Riverdale Boro-1433's water quality findings.
Explore water quality across Morris
Frequently asked questions
Is Riverdale Boro-1433, NJ tap water safe to drink?
Riverdale Boro-1433's water quality earned a grade of A- (86.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #40 out of 435 cities tested in New Jersey.
What contaminants are in Riverdale Boro-1433's water?
Lead was measured at 0.0 ppb (90th percentile). 53 violations are on record.
How is Riverdale Boro-1433'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 Riverdale Boro-1433?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Riverdale Boro-1433's water come from?
Riverdale Boro-1433's water is sourced from Purchased surface water. The city has 1 water system serving approximately 2,850 residents.
How does Riverdale Boro-1433's water compare to other cities?
Riverdale Boro-1433 ranks #40 out of 435 cities in New Jersey (better than 91% of state cities) and #4448 out of 15744 cities nationally (72th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Riverdale Boro-1433's small water system affect quality?
Riverdale Boro-1433's system serves approximately 2,850 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 53 violations on record.