MP MINE OPERATIONS LLC

PWSID: CA3600172 · Mountain Pass, CA · Serves 626 people

According to EPA Safe Drinking Water Information System (SDWIS), MP MINE OPERATIONS LLC (PWSID CA3600172) in Mountain Pass, CA is listed as a CWS water system covering about 626 people. The same extract lists 1 health-based violation record spanning 2024-2024. Those 1 health-based row for MP MINE OPERATIONS LLC cover contaminants such as LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

MP MINE OPERATIONS LLC has 1 health-based violation record in this historical extract. Monitoring and reporting records are not included.

Population Served
626
Health-Based Violation Records
1
Distinct Contaminant Codes
1
Source Type
Groundwater

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including LEAD AND COPPER RULE REVISIONS. Recorded violations span 2024–2024. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.

System Details

EPA ID (PWSID)
CA3600172
System Type
CWS
Water Source
Groundwater
Location
Mountain Pass, CA
Population Served
626
Health Violations
Yes (1)

What contaminants are in this water system?

Contaminant Violations Health-Based
LEAD AND COPPER RULE REVISIONS 1 1

Violation History (1)

Contaminant Health Date
LEAD AND COPPER RULE REVISIONS Yes Oct 17, 2024

Frequently Asked Questions

What does EPA SDWIS list for MP MINE OPERATIONS LLC?
MP MINE OPERATIONS LLC has 1 health-based violation record in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does MP MINE OPERATIONS LLC serve?
MP MINE OPERATIONS LLC serves 626 people in Mountain Pass, CA. It is classified as a CWS water system.
What violations does MP MINE OPERATIONS LLC have?
MP MINE OPERATIONS LLC has 1 health-based violation record in PlainEnviro's extract spanning 2024–2024. Monitoring and reporting records are not included.
What contaminants have been found in MP MINE OPERATIONS LLC water?
Violations have been recorded for 1 contaminant. The most frequent: LEAD AND COPPER RULE REVISIONS.

Compare beyond California

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest MP MINE OPERATIONS LLC on cumulative violation count (1) and EPA-reported population served (626). Violation-count peers include CHOCTAW - CONEHATTA, CHOCTAW - PEARL RIVER, CHOCTAW - TUCKER. Population peers include BARWICK, URSA, ALPHA.

About This Data

MP MINE OPERATIONS LLC (CA3600172) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2024-2024 covering LEAD AND COPPER RULE REVISIONS. Historical registry entries, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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