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Community Water System · PWS MO5036267

Black Oak Water & Sewer Co

Lampe, Missouri 65681-0327 - drinking water served from groundwater sources to 477 people, tracked in EPA SDWIS and UCMR5.

477
People served
55
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 55 drinking-water violations at Black Oak Water & Sewer Co, 18% of them health-based - below the Missouri per-system average.

55
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
477
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Black Oak Water & Sewer Co

Black Oak Water & Sewer Co is a private-owned community water system that delivers drinking water to 477 residents in Lampe, Missouri (Stone County) through 141 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 55 total violations for this system , of which 10 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 monitoring and reporting violations are on file. The most recent violation on record dates to 2000.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 14 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Black Oak Water & Sewer Co's 55 violations sit below the Missouri 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
477
Total Violations
55
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
141
County
Stone
School/Daycare
No
MCL Violations
10
Monitoring Violations
37
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 14 1999
Coliform (TCR) MCL 10 1998
Consumer Confidence Rule Other 4 1999
Nitrate MR 3 1985
Lead and Copper Rule MR 2 2000
Arsenic MR 2 1985
Nitrate-Nitrite MR 2 1998
Barium MR 2 1985
Chromium MR 2 1985
Fluoride MR 2 1985
Mercury MR 2 1985
Selenium MR 2 1985
Cadmium MR 2 1985
Gross Alpha, Excl. Radon and U MR 2 1985

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 Black Oak Water & Sewer Co.

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 MO5036267 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR, Public Drinking Water Branch is the primacy agency that licenses and inspects Black Oak Water & Sewer Co under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public Drinking Water Branch

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
2000 Lead and Copper Rule MR 2 SDWIS / MO5036267 / 5000
1999 Coliform (TCR) MR 14 SDWIS / MO5036267 / 3100
1999 Consumer Confidence Rule Other 4 SDWIS / MO5036267 / 7000
1998 Coliform (TCR) MCL 10 SDWIS / MO5036267 / 3100
1998 Nitrate-Nitrite MR 2 SDWIS / MO5036267 / 1038
1985 Nitrate MR 3 SDWIS / MO5036267 / 1040
1985 Arsenic MR 2 SDWIS / MO5036267 / 1005
1985 Barium MR 2 SDWIS / MO5036267 / 1010
1985 Chromium MR 2 SDWIS / MO5036267 / 1020
1985 Fluoride MR 2 SDWIS / MO5036267 / 1025
1985 Mercury MR 2 SDWIS / MO5036267 / 1035
1985 Selenium MR 2 SDWIS / MO5036267 / 1045
1985 Cadmium MR 2 SDWIS / MO5036267 / 1015
1985 Gross Alpha, Excl. Radon and U MR 2 SDWIS / MO5036267 / 4000

How Black Oak Water & Sewer Co Compares

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

Metric Black Oak Water & Sewer Co Missouri avg Federal benchmark
Total violations 55 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 477 2,074 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.

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 Black Oak Water & Sewer Co water safe to drink? ▼
Black Oak Water & Sewer Co (PWS ID: MO5036267) has 55 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 477 people using Groundwater sources.
How many people does Black Oak Water & Sewer Co serve? ▼
Black Oak Water & Sewer Co serves 477 people in Lampe, Missouri. It is a Private-owned system using Groundwater water sources with 141 service connections.
What type of violations does Black Oak Water & Sewer Co have? ▼
Black Oak Water & Sewer Co has 55 total violations: 10 health-based violations (MCL exceedances or treatment failures), 37 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Black Oak Water & Sewer Co water? ▼
No PFAS testing data is available for Black Oak Water & Sewer Co under the EPA's UCMR5 monitoring program.
What water source does Black Oak Water & Sewer Co use? ▼
Black Oak Water & Sewer Co uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.