PlainWater

Community Water System · PWS MO1024242

Harrison County PWSD 2

Bethany, Missouri 64424-0000 - drinking water served from groundwater sources to 3,740 people, tracked in EPA SDWIS and UCMR5.

3,740
People served
56
EPA violations
31
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 56 drinking-water violations at Harrison County PWSD 2, 55% of them health-based - below the Missouri per-system average.

56
Total EPA violations on record
55%
Health-based (MCL / treatment failure)
3,740
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Harrison County PWSD 2

Harrison County PWSD 2 is a local-owned community water system that delivers drinking water to 3,740 residents in Bethany, Missouri (Harrison County) through 1,618 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 56 total violations for this system , of which 31 (55%) 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 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 21 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Harrison County PWSD 2's 56 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
3,740
Total Violations
56
Health-Based Violations
31
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,618
County
Harrison
School/Daycare
No
MCL Violations
25
Monitoring Violations
20
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 21 2010
Groundwater Rule MR 8 2025
Groundwater Rule TT 5 2024
TTHM MR 4 2024
Revised Total Coliform Rule MON 4 2025
Coliform (TCR) MCL 4 2003
Total Haloacetic Acids (HAA5) MR 4 2024
Consumer Confidence Rule Other 2 2019
Groundwater Rule Other 2 2024
Public Notice Other 1 2024
Lead and Copper Rule TT 1 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
HFPO-DA 6/24/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 6/24/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 6/24/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 6/24/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 6/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 6/24/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/24/2024 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 6/24/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 6/24/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 6/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/24/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 6/24/2024 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 6/24/2024 <6.00 ppt 6.00 ppt Not Detected
PFTA 6/24/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 6/24/2024 <7.00 ppt 7.00 ppt Not Detected
NFDHA 6/24/2024 <20.00 ppt 20.00 ppt Not Detected
PFOS 6/24/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 12/16/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 12/16/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 12/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFUnA 12/16/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
ADONA 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 12/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 12/16/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 12/16/2024 <7.00 ppt 7.00 ppt Not Detected
PFBS 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 12/16/2024 <6.00 ppt 6.00 ppt Not Detected
HFPO-DA 12/16/2024 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 12/16/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 12/16/2024 <8.00 ppt 8.00 ppt Not Detected
PFHpS 12/16/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 12/16/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 12/16/2024 <20.00 ppt 20.00 ppt Not Detected

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 Harrison County PWSD 2.

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 MO1024242 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 Harrison County PWSD 2 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
2025 Groundwater Rule MR 8 SDWIS / MO1024242 / 0700
2025 Revised Total Coliform Rule MON 4 SDWIS / MO1024242 / 8000
2024 Groundwater Rule TT 5 SDWIS / MO1024242 / 0700
2024 TTHM MR 4 SDWIS / MO1024242 / 2950
2024 Total Haloacetic Acids (HAA5) MR 4 SDWIS / MO1024242 / 2456
2024 Groundwater Rule Other 2 SDWIS / MO1024242 / 0700
2024 Public Notice Other 1 SDWIS / MO1024242 / 7500
2019 Consumer Confidence Rule Other 2 SDWIS / MO1024242 / 7000
2010 TTHM MCL 21 SDWIS / MO1024242 / 2950
2003 Coliform (TCR) MCL 4 SDWIS / MO1024242 / 3100
2000 Lead and Copper Rule TT 1 SDWIS / MO1024242 / 5000

How Harrison County PWSD 2 Compares

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

Metric Harrison County PWSD 2 Missouri avg Federal benchmark
Total violations 56 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 31 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 3,740 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 Harrison County PWSD 2 water safe to drink?
Harrison County PWSD 2 (PWS ID: MO1024242) has 56 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,740 people using Groundwater sources.
How many people does Harrison County PWSD 2 serve?
Harrison County PWSD 2 serves 3,740 people in Bethany, Missouri. It is a Local-owned system using Groundwater water sources with 1,618 service connections.
What type of violations does Harrison County PWSD 2 have?
Harrison County PWSD 2 has 56 total violations: 31 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Harrison County PWSD 2 water?
No. Harrison County PWSD 2 was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Harrison County PWSD 2 use?
Harrison County PWSD 2 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.