WaterQ

Pine Ridge Water System

PWSID: 084690475

A Excellent

Score 97/100 — Excellent

Data Updated: March 2026 Source: EPA SDWIS
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System Information

Type
Community Water System
Water Source
Ground Water
Population Served
7,482
Owner Type
N
Status
Active
Population Served
7,482
System Type
Community Water System
Water Source
Ground Water
Violation Status
2 Unresolved
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Water Quality Test Results

Contaminant Detected EPA Limit (MCL) Status
Lead (90th percentile) 2021-12-31 0.001 mg/L 0.015 mg/L Compliant

Contaminant Trends

Lead (90th percentile) Trend

MCL: 0.015 mg/L
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Violation History

2023-12-30
Resolved - Minor

MR

MR - Rule 350

Resolved: 2023-10-18

2019-10-01
Resolved - Major

MCL

MCL - Rule 340

Resolved: 2020-02-26

2018-07-24
Resolved - Major

TT

TT - Rule 140

Resolved: 2023-10-18

1999-06-01
Unresolved - Major

MCL

MCL - Rule 110

Resolved: 1999-06-30

1998-10-01
Unresolved - Major

MCL

MCL - Rule 110

Resolved: 1998-10-31

Frequently Asked Questions

Is Pine Ridge Water System water safe to drink?
Pine Ridge Water System in Pine Ridge, SD has a water quality score of 97/100 (Excellent). There are currently 111 unresolved violation(s).
How many people does Pine Ridge Water System serve?
Pine Ridge Water System provides drinking water to approximately 7,482 people in the Pine Ridge, SD area.
What contaminants have been found in Pine Ridge Water System water?
No contaminants have exceeded EPA limits in recent tests. Visit the full report for detailed test results.
How many violations does Pine Ridge Water System have?
Pine Ridge Water System has a total of 114 violation(s) on record. 111 remain unresolved.
Where does Pine Ridge Water System get its water?
Pine Ridge Water System uses ground water as its primary water source.

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