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Updated 2026-09-16
State water report

New Jersey Water Quality: 139 Cities Ranked by the Records

Water quality across 139 cities in New Jersey, drawn from EPA drinking-water records. Each city page shows the measured contaminants and a reproducible Purity Score.

Finding by finding

What New Jersey's records show

Counts of cities whose serving system reported each result. There is no statewide score: PurityMap does not average local records into a statewide safety verdict. 9 cities have a past health-based violation on record.

PFAS above a 2024 limit

MCL

88of 139 cities

Cities whose system reported a PFAS above its federal limit.

PFOS in New Jersey →

Nitrate above the MCL

MCL

0of 139 cities

Cities whose system reported nitrate above 10 mg/L.

About nitrate →

Hard or very hard

No federal limit

0of 139 cities

Above 120 mg/L as CaCO₃ (7 gpg) on the USGS scale, of 1 cities with a hardness value.

About hard water →
City rankings

New Jersey cities ranked by the records

Highest first. A summary of each serving system’s record, not a safety verdict.

  1. 1
    Stafford Twp - Beach Haven WestSTAFFORD TWP WATER - BEACH HAVEN WEST · NJ1530004
    Report →
  2. 2
    Deptford TwpDEPTFORD TWP MUA · NJ0802001
    Report →
  3. 3
    Collingswood DeparCOLLINGSWOOD WATER DEPAR · NJ0412001
    Report →
  4. 4
    Medford Twp MuniMEDFORD TWP DEPT OF MUNI · NJ0320001
    Report →
  5. 5
    Sea Isle CitySEA ISLE CITY WATER DEPARTMENT · NJ0509001
    Report →
  6. 6
    Ocean TwpOCEAN TWP DEPT OF UTILITIES · NJ1520001
    Report →
  7. 7
    Ship Bottom DepartSHIP BOTTOM WATER DEPART · NJ1528001
    Report →
  8. 8
    Haddon Twp DepartmHADDON TWP WATER DEPARTM · NJ0416001
    Report →
  9. 9
    Spring LakeSPRING LAKE WATER DEPARTMENT · NJ1348001
    Report →
  10. 10
    Woodbury City WWOODBURY CITY W DEPT · NJ0822001
    Report →

Showing the top 10 of 139 scored cities.

See all 139 in the table

139 cities, highest Purity Score first

  1. 1Stafford Twp - Beach Haven West
    STAFFORD TWP WATER - BEACH HAVEN WEST · PWSID NJ1530004 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  2. 2Deptford Twp
    DEPTFORD TWP MUA · PWSID NJ0802001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    PFAS detected, none above a limitDetected
  3. 3Collingswood Depar
    COLLINGSWOOD WATER DEPAR · PWSID NJ0412001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  4. 4Medford Twp Muni
    MEDFORD TWP DEPT OF MUNI · PWSID NJ0320001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    6:2 FTS 6.3 ng/L detected, no federal or state limitDetected
  5. 5Sea Isle City
    SEA ISLE CITY WATER DEPARTMENT · PWSID NJ0509001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  6. 6Ocean Twp
    OCEAN TWP DEPT OF UTILITIES · PWSID NJ1520001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  7. 7Ship Bottom Depart
    SHIP BOTTOM WATER DEPART · PWSID NJ1528001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  8. 8Haddon Twp Departm
    HADDON TWP WATER DEPARTM · PWSID NJ0416001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  9. 9Spring Lake
    SPRING LAKE WATER DEPARTMENT · PWSID NJ1348001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  10. 10Woodbury City W
    WOODBURY CITY W DEPT · PWSID NJ0822001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    PFAS detected, none above a limitDetected
  11. 11Surf City
    SURF CITY WATER DEPT · PWSID NJ1531001 · Purity Score 100/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detectedNot detected
  12. 12Avalon Age
    AVALON WATER AND SEWERAGE UTILITIES · PWSID NJ0501001 · Purity Score 99/100 (Excellent) · Confidence: moderate · Assessed at the water-system level
    No PFAS detected; lead 0.85 µg/LDetected
Showing 12 of 139.

Ranked by the Purity Score of each city's main water system, highest first. Scores belong to water systems; there is no state score. The score is computed only from contaminants measured in the published EPA record, so this ranks the record, not which city's water is safest. How the score works. See how New Jersey compares with other states.

By contaminant

PFAS, lead and hard water in New Jersey

Counties

New Jersey counties

19 counties with city reports
Show all 19 counties
Suppliers

Largest water systems

All water systems →
Full indexAll 139 New Jersey city reports, A–Z
Next step

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Only after a city report names a finding, match a treatment certified for it.

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Questions

New Jersey water, frequently asked

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How does New Jersey tap water compare across cities?

PurityMap ranks 139 cities in New Jersey by the Purity Score of each city's main water system, computed only from contaminants measured in the published EPA record. Scores belong to water systems, not to cities. The highest published score is Stafford Twp - Beach Haven West's main water system: STAFFORD TWP WATER - BEACH HAVEN WEST · PWSID NJ1530004 · Purity Score 100 (Excellent) · Confidence: moderate · Assessed at the water-system level. The ranking compares the records, not which city's water is safest, and your own tap can differ with household plumbing.

How many New Jersey cities have PFAS above the federal limit?

88 cities of 139 had at least one regulated PFAS (PFOA, PFOS or PFHxS) measured above the 2024 federal limit in EPA's UCMR 5 testing, including Verona (PFOA 44.5 ng/L), Livingston Twp Div (PFOA 44 ng/L), Ridgewood (PFOA 31.4 ng/L). PFAS were detected at any level in 95.

Is there lead in New Jersey tap water?

Utilities report lead as a 90th-percentile result from home taps. 98 of 139 New Jersey cities reported a value above zero, and none was above the 15 µg/L federal action level. Lead usually comes from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.

Have New Jersey water systems had drinking-water violations?

9 cities in New Jersey have a health-based violation in the federal SDWIS record within about the last ten years. Each city report lists the contaminant, year and whether it was resolved.

Does New Jersey have hard water?

Hardness is published in utility water-quality reports for 1 New Jersey city on record; the hardest is Jersey City at 4.4 grains per gallon. Hardness affects scale and appliances; it is not a health finding.

Limits, sources and corrections

A statewide page cannot tell you what reaches a specific address. Water quality varies by supplier, sampling period and household plumbing; open a city report for the evidence behind a local result.

Sources: EPA UCMR 5 (PFAS, 2024), SDWIS Lead and Copper Rule 90th-percentile results and health-based violations, and utility Consumer Confidence Reports where on file. Every city report links its dated source records.

Updated 2026-09-16. How PurityMap analyzes water data · Report an error