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Community Water System · PWS MO5036054

Sunset Heights 2nd Addition

Ozark, Missouri 65721-0000 - drinking water served from groundwater sources to 37 people, tracked in EPA SDWIS and UCMR5.

37
People served
162
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 162 drinking-water violations at Sunset Heights 2nd Addition, 14% of them health-based - above the Missouri per-system average.

162
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
37
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunset Heights 2nd Addition

Sunset Heights 2nd Addition is a private-owned community water system that delivers drinking water to 37 residents in Ozark, Missouri (Christian County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 162 total violations for this system , of which 22 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 70 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 Coliform (TCR), recorded in 43 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%).

Sunset Heights 2nd Addition's 162 violations sit above 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
37
Total Violations
162
Health-Based Violations
22
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
14
County
Christian
School/Daycare
No
MCL Violations
20
Monitoring Violations
70
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 43 2016
Consumer Confidence Rule Other 25 2020
Coliform (TCR) MCL 20 2007
Groundwater Rule MR 13 2025
Public Notice Other 11 2017
E. COLI MR 11 2015
Lead and Copper Rule MR 3 2011
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 2020

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 Sunset Heights 2nd Addition.

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 MO5036054 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 Sunset Heights 2nd Addition 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 13 SDWIS / MO5036054 / 0700
2020 Consumer Confidence Rule Other 25 SDWIS / MO5036054 / 7000
2020 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 SDWIS / MO5036054 / 0400
2017 Public Notice Other 11 SDWIS / MO5036054 / 7500
2016 Coliform (TCR) MR 43 SDWIS / MO5036054 / 3100
2015 E. COLI MR 11 SDWIS / MO5036054 / 3014
2011 Lead and Copper Rule MR 3 SDWIS / MO5036054 / 5000
2007 Coliform (TCR) MCL 20 SDWIS / MO5036054 / 3100

How Sunset Heights 2nd Addition Compares

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

Metric Sunset Heights 2nd Addition Missouri avg Federal benchmark
Total violations 162 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 37 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 Sunset Heights 2nd Addition water safe to drink? ▼
Sunset Heights 2nd Addition (PWS ID: MO5036054) has 162 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 37 people using Groundwater sources.
How many people does Sunset Heights 2nd Addition serve? ▼
Sunset Heights 2nd Addition serves 37 people in Ozark, Missouri. It is a Private-owned system using Groundwater water sources with 14 service connections.
What type of violations does Sunset Heights 2nd Addition have? ▼
Sunset Heights 2nd Addition has 162 total violations: 22 health-based violations (MCL exceedances or treatment failures), 70 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sunset Heights 2nd Addition water? ▼
No PFAS testing data is available for Sunset Heights 2nd Addition under the EPA's UCMR5 monitoring program.
What water source does Sunset Heights 2nd Addition use? ▼
Sunset Heights 2nd Addition 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.