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States → Mississippi

Non-Transient Non-Community Water System · PWS MS0300147

Naval Station-Pascagoula

Pascagoula, Mississippi 39568 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
113
EPA violations
84
Health-based
Untested
UCMR5 result

The verdict

EPA records 113 drinking-water violations at Naval Station-Pascagoula, 74% of them health-based - below the Mississippi per-system average.

113
Total EPA violations on record
74%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Naval Station-Pascagoula

Naval Station-Pascagoula is a federal-owned non-transient non-community water system that delivers drinking water to 300 residents in Pascagoula, Mississippi (Jackson County) through 25 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 113 total violations for this system , of which 84 (74%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is TTHM, recorded in 65 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Mississippi, EPA tracks 1,185 public water systems serving 3,286,781 people, with 499,292 cumulative violations and 10,292 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 421.3 violations. Statewide, 160 of 238 UCMR5-tested systems have reported PFAS detections (67.2%).

Naval Station-Pascagoula's 113 violations sit below the Mississippi average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
300
Total Violations
113
Health-Based Violations
84
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
25
County
Jackson
School/Daycare
No
MCL Violations
82
Monitoring Violations
20
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 65 2022
Total Haloacetic Acids (HAA5) MCL 15 2020
Chlorine MR 9 2024
Revised Total Coliform Rule MON 9 2024
Public Notice Other 3 2019
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Coliform (TCR) MR 2 1998
Coliform (TCR) MCL 2 1991

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Naval Station-Pascagoula.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MS0300147 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Mississippi Drinking Water Authority

Mississippi's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MS regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Chlorine MR 9 SDWIS / MS0300147 / 0999
2024 Revised Total Coliform Rule MON 9 SDWIS / MS0300147 / 8000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / MS0300147 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / MS0300147 / 5200
2022 TTHM MCL 65 SDWIS / MS0300147 / 2950
2020 Total Haloacetic Acids (HAA5) MCL 15 SDWIS / MS0300147 / 2456
2019 Public Notice Other 3 SDWIS / MS0300147 / 7500
1998 Coliform (TCR) MR 2 SDWIS / MS0300147 / 3100
1991 Coliform (TCR) MCL 2 SDWIS / MS0300147 / 3100

How Naval Station-Pascagoula Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Naval Station-Pascagoula Mississippi avg Federal benchmark
Total violations 113 421.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 84 8.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 67.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 300 2,774 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,185 regulated public water systems in Mississippi.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Naval Station-Pascagoula water safe to drink? ▼
Naval Station-Pascagoula (PWS ID: MS0300147) has 113 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Naval Station-Pascagoula serve? ▼
Naval Station-Pascagoula serves 300 people in Pascagoula, Mississippi. It is a Federal-owned system using Groundwater water sources with 25 service connections.
What type of violations does Naval Station-Pascagoula have? ▼
Naval Station-Pascagoula has 113 total violations: 84 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Naval Station-Pascagoula water? ▼
No PFAS testing data is available for Naval Station-Pascagoula under the EPA's UCMR5 monitoring program.
What water source does Naval Station-Pascagoula use? ▼
Naval Station-Pascagoula uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.