PlainWater

JEFFERSON CO RWD 15

PWS ID: KS2008721 · GRANTVILLE, Kansas 66429

JEFFERSON CO RWD 15 serves 563 people in GRANTVILLE, Kansas using Groundwater water sources. It has 264 recorded EPA violations, including 161 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: JEFFERSON CO RWD 15

JEFFERSON CO RWD 15 is a local-owned community water system that delivers drinking water to 563 residents in GRANTVILLE, Kansas (Jefferson County) through 225 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 264 total violations for this system , of which 161 (61%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 73 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate, recorded in 143 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 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 15's 264 violations sit above 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
563
Total Violations
264
Health-Based Violations
161
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
225
County
Jefferson
School/Daycare
No
MCL Violations
155
Monitoring Violations
73
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 143 2005
Coliform (TCR) MR 30 2009
Lead and Copper Rule MR 17 2024
Revised Total Coliform Rule MON 12 2020
Coliform (TCR) MCL 8 2009
Total Haloacetic Acids (HAA5) MR 4 2017
Chlorine MR 4 2020
Revised Total Coliform Rule MCL 4 2021
Revised Total Coliform Rule TT 4 2022
TTHM MR 4 2017
Consumer Confidence Rule Other 3 2002
Nitrate MR 2 2002
Public Notice Other 2 2021
Lead and Copper Rule TT 2 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 15.

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 KS2008721 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
2024 Lead and Copper Rule MR 17 SDWIS / KS2008721 / 5000
2022 Revised Total Coliform Rule TT 4 SDWIS / KS2008721 / 8000
2021 Revised Total Coliform Rule MCL 4 SDWIS / KS2008721 / 8000
2021 Public Notice Other 2 SDWIS / KS2008721 / 7500
2020 Revised Total Coliform Rule MON 12 SDWIS / KS2008721 / 8000
2020 Chlorine MR 4 SDWIS / KS2008721 / 0999
2017 Total Haloacetic Acids (HAA5) MR 4 SDWIS / KS2008721 / 2456
2017 TTHM MR 4 SDWIS / KS2008721 / 2950
2009 Coliform (TCR) MR 30 SDWIS / KS2008721 / 3100
2009 Coliform (TCR) MCL 8 SDWIS / KS2008721 / 3100
2005 Nitrate MCL 143 SDWIS / KS2008721 / 1040
2002 Consumer Confidence Rule Other 3 SDWIS / KS2008721 / 7000
2002 Nitrate MR 2 SDWIS / KS2008721 / 1040
1994 Lead and Copper Rule TT 2 SDWIS / KS2008721 / 5000

How JEFFERSON CO RWD 15 Compares

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

Metric JEFFERSON CO RWD 15 Kansas avg Federal benchmark
Total violations 264 88.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 161 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 563 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 15 water safe to drink?
JEFFERSON CO RWD 15 (PWS ID: KS2008721) has 264 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 563 people using Groundwater sources.
How many people does JEFFERSON CO RWD 15 serve?
JEFFERSON CO RWD 15 serves 563 people in GRANTVILLE, Kansas. It is a Local-owned system using Groundwater water sources with 225 service connections.
What type of violations does JEFFERSON CO RWD 15 have?
JEFFERSON CO RWD 15 has 264 total violations: 161 health-based violations (MCL exceedances or treatment failures), 73 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in JEFFERSON CO RWD 15 water?
No PFAS testing data is available for JEFFERSON CO RWD 15 under the EPA's UCMR5 monitoring program.
What water source does JEFFERSON CO RWD 15 use?
JEFFERSON CO RWD 15 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