PlainWater

JEFFERSON CO RWD 3

PWS ID: KS2008708 · VALLEY FALLS, Kansas 66088

JEFFERSON CO RWD 3 serves 2,435 people in VALLEY FALLS, Kansas using Groundwater water sources. It has 77 recorded EPA violations, including 16 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: JEFFERSON CO RWD 3

JEFFERSON CO RWD 3 is a local-owned community water system that delivers drinking water to 2,435 residents in VALLEY FALLS, Kansas (Jefferson County) through 814 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 77 total violations for this system , of which 16 (21%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 49 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 16 violations (TT, 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 Kansas, EPA tracks 957 public water systems serving 2,894,673 people, with 84,344 cumulative violations and 33,424 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 88.1 violations. JEFFERSON CO RWD 3's 77 violations sit below the Kansas average. Statewide, 89 of 103 UCMR5-tested systems have reported PFAS detections (86.4%). 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
2,435
Total Violations
77
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
814
County
Jefferson
School/Daycare
No
MCL Violations
0
Monitoring Violations
49
Treatment Tech Violations
16

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 16 2019
Consumer Confidence Rule Other 5 2008
Coliform (TCR) MR 5 2002
Arsenic MR 4 2008
Barium MR 4 2008
Cadmium MR 4 2008
Mercury MR 4 2008
Antimony, Total MR 4 2008
Beryllium, Total MR 4 2008
Thallium, Total MR 4 2008
Nickel MR 4 2008
Lead and Copper Rule MR 4 2020
Chromium MR 4 2008
Selenium MR 4 2008
Groundwater Rule Other 4 2019
Public Notice Other 2 2020
Lead and Copper Rule Other 1 1994

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 JEFFERSON CO RWD 3.

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 KS2008708 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Kansas Drinking Water Authority

Kansas'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 KS 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
2020 Lead and Copper Rule MR 4 SDWIS / KS2008708 / 5000
2020 Public Notice Other 2 SDWIS / KS2008708 / 7500
2019 Groundwater Rule TT 16 SDWIS / KS2008708 / 0700
2019 Groundwater Rule Other 4 SDWIS / KS2008708 / 0700
2008 Consumer Confidence Rule Other 5 SDWIS / KS2008708 / 7000
2008 Arsenic MR 4 SDWIS / KS2008708 / 1005
2008 Barium MR 4 SDWIS / KS2008708 / 1010
2008 Cadmium MR 4 SDWIS / KS2008708 / 1015
2008 Mercury MR 4 SDWIS / KS2008708 / 1035
2008 Antimony, Total MR 4 SDWIS / KS2008708 / 1074
2008 Beryllium, Total MR 4 SDWIS / KS2008708 / 1075
2008 Thallium, Total MR 4 SDWIS / KS2008708 / 1085
2008 Nickel MR 4 SDWIS / KS2008708 / 1036
2008 Chromium MR 4 SDWIS / KS2008708 / 1020
2008 Selenium MR 4 SDWIS / KS2008708 / 1045

How JEFFERSON CO RWD 3 Compares

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

Metric JEFFERSON CO RWD 3 Kansas avg Federal benchmark
Total violations 77 88.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 16 34.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 86.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,435 3,025 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 957 regulated public water systems in Kansas.

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 JEFFERSON CO RWD 3 water safe to drink?
JEFFERSON CO RWD 3 (PWS ID: KS2008708) has 77 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,435 people using Groundwater sources.
How many people does JEFFERSON CO RWD 3 serve?
JEFFERSON CO RWD 3 serves 2,435 people in VALLEY FALLS, Kansas. It is a Local-owned system using Groundwater water sources with 814 service connections.
What type of violations does JEFFERSON CO RWD 3 have?
JEFFERSON CO RWD 3 has 77 total violations: 16 health-based violations (MCL exceedances or treatment failures), 49 monitoring/reporting violations, and 16 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JEFFERSON CO RWD 3 water?
No PFAS testing data is available for JEFFERSON CO RWD 3 under the EPA's UCMR5 monitoring program.
What water source does JEFFERSON CO RWD 3 use?
JEFFERSON CO RWD 3 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.

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