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SOUTH MOUNTAIN WATER ASSN

PWS ID: AR0000815 · MARSHALL, Arkansas 72650

SOUTH MOUNTAIN WATER ASSN serves 948 people in MARSHALL, Arkansas using Surface Water water sources. It has 268 recorded EPA violations, including 218 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SOUTH MOUNTAIN WATER ASSN

SOUTH MOUNTAIN WATER ASSN is a local-owned community water system that delivers drinking water to 948 residents in MARSHALL, Arkansas (Searcy County) through 379 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 268 total violations for this system , of which 218 (81%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 25 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 200 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 Arkansas, EPA tracks 1,016 public water systems serving 3,049,400 people, with 53,437 cumulative violations and 21,598 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 52.6 violations. SOUTH MOUNTAIN WATER ASSN's 268 violations sit above the Arkansas average. Statewide, 57 of 172 UCMR5-tested systems have reported PFAS detections (33.1%). 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
948
Total Violations
268
Health-Based Violations
218
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
379
County
Searcy
School/Daycare
No
MCL Violations
214
Monitoring Violations
25
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 200 2013
Coliform (TCR) MR 20 2012
Coliform (TCR) Other 11 1996
Coliform (TCR) MCL 10 2013
Lead and Copper Rule MR 4 1996
Revised Total Coliform Rule MCL 4 2019
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2020
Revised Total Coliform Rule RPT 3 2016
Combined Radium (-226 and -228) Other 2 1999
Consumer Confidence Rule Other 1 2005
Revised Total Coliform Rule MON 1 2021

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 SOUTH MOUNTAIN WATER ASSN.

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 AR0000815 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arkansas Drinking Water Authority

Arkansas'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 AR 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
2021 Revised Total Coliform Rule MON 1 SDWIS / AR0000815 / 8000
2020 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / AR0000815 / 0400
2019 Revised Total Coliform Rule MCL 4 SDWIS / AR0000815 / 8000
2016 Revised Total Coliform Rule RPT 3 SDWIS / AR0000815 / 8000
2013 Combined Radium (-226 and -228) MCL 200 SDWIS / AR0000815 / 4010
2013 Coliform (TCR) MCL 10 SDWIS / AR0000815 / 3100
2012 Coliform (TCR) MR 20 SDWIS / AR0000815 / 3100
2005 Consumer Confidence Rule Other 1 SDWIS / AR0000815 / 7000
1999 Combined Radium (-226 and -228) Other 2 SDWIS / AR0000815 / 4010
1996 Coliform (TCR) Other 11 SDWIS / AR0000815 / 3100
1996 Lead and Copper Rule MR 4 SDWIS / AR0000815 / 5000

How SOUTH MOUNTAIN WATER ASSN Compares

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

Metric SOUTH MOUNTAIN WATER ASSN Arkansas avg Federal benchmark
Total violations 268 52.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 218 21.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 33.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 948 3,001 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,016 regulated public water systems in Arkansas.

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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SOUTH MOUNTAIN WATER ASSN water safe to drink?
SOUTH MOUNTAIN WATER ASSN (PWS ID: AR0000815) has 268 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 948 people using Surface Water sources.
How many people does SOUTH MOUNTAIN WATER ASSN serve?
SOUTH MOUNTAIN WATER ASSN serves 948 people in MARSHALL, Arkansas. It is a Local-owned system using Surface Water water sources with 379 service connections.
What type of violations does SOUTH MOUNTAIN WATER ASSN have?
SOUTH MOUNTAIN WATER ASSN has 268 total violations: 218 health-based violations (MCL exceedances or treatment failures), 25 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOUTH MOUNTAIN WATER ASSN water?
No PFAS testing data is available for SOUTH MOUNTAIN WATER ASSN under the EPA's UCMR5 monitoring program.
What water source does SOUTH MOUNTAIN WATER ASSN use?
SOUTH MOUNTAIN WATER ASSN uses Surface Water 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial