St John on the Mountain

PWSID: NJ1802313

System Details

Population Served180
Service Connections1
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerPrivate
StatusActive
CityBernardsville
Zip Code07924

Areas Served

  • Bernards Twp.-1802, Somerset County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.5000 mg/L0.015 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0192 mg/L0.015 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0142 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0094 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0087 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0081 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0069 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0055 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0051 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0048 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0043 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0040 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0033 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0033 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0030 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0027 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

Violation History (13 total)

ContaminantViolationDateHealth-BasedStatus
2025-04-01Returned to Compliance
2025-01-01YesAcknowledged
2024-07-01YesAcknowledged
2024-07-01YesAcknowledged
2023-04-01Returned to Compliance
2023-04-01Returned to Compliance
2021-12-24Returned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2020-01-01 MajorReturned to Compliance
2019-04-01Returned to Compliance
1994-01-02Returned to Compliance