WaterVerge

Is Council Grove, KS Tap Water Safe to Drink?

Graded B+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 2 water systems PWSID: KS2012702
Overall Score
82.8 / 100
Violations
6 active
Last Updated
May 2026
Source
Surface water
#122 of 323 in Kansas Top 43% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.8/100
waterverge.com
B+ 82.8/100

Council Grove, KS — Water Quality Report

Council Grove's drinking water received a grade of B+ (82.8 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,136 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 46 violations on record, including 29 health-based violations. 6 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Council Grove's water

Council Grove ranks #122 out of 323 cities in Kansas for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

As a small community water system, Council Grove may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
82.8 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.3/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18.5/20
A
1 PFAS compound detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Council Grove, KS water safe to drink?

Concerns Identified

Council Grove's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,136 residents using surface water (rivers, lakes, or reservoirs).

6
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
3 events
Disaster History

Recent water quality updates for Council Grove

A timeline of significant water quality events, violations, and data updates.

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Council Grove's water quality assessment. Grade: B+ (82.8/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3236). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Council Grove's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: PFBA at 0.0069 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Council Grove's water system has 46 total violations on record, including 29 health-based violations. 6 remain unresolved. 4 violations were issued in the last 5 years.

MROtherTTMONMCL
Most recent violations:
Apr 2025 Lead and Copper Rule Open
Jan 2025 Lead and Copper Rule Open
Jun 2021 Total Haloacetic Acids (HAA5) Resolved
Jun 2021 TTHM Resolved
Oct 2020 Surface Water Treatment Rule Resolved

Flood & environmental risk

Morris County has experienced 3 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Neosho R Ab Council Grove Lk, Neosho R, Rock C Nr Dunlap, Neosho R Nr Dunlap.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3236
SEVERE STORMS & FLOODING
Flood FEMA DR-1000
SEVERE STORMS & FLOODING
Flood FEMA DR-378

Where does Council Grove's water come from?

Council Grove's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 2,136 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Neosho R Ab Council Grove Lk (river), Neosho R (river), Rock C Nr Dunlap (river), Neosho R Nr Dunlap (river).

What Council Grove residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Council Grove's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Council Grove's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
PFBA
PFAS / Forever Chemical
Near MCL
0.0069 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

46
Total violations
29
Health-based
6
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

46 Total
6 Active
29 Health-based
40 Resolved
4 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
29
Lead and Copper Rule
4
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Surface Water Treatment Rule
4
Public Notice Rule and Revised PN Rule
1
Apr 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2019 Active
Public Notice
Other Violation 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 1993 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jun 2021 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2021
Jun 2021 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2021
Oct 2020 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2020
Oct 2019 Resolved
Bromate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jun 2018 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2018
Jun 2018 Resolved
E. COLI
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2018
Jun 2018 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Aug 2018
Oct 2017 Resolved
Bromate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2017
Sep 2017 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 2017
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
Oct 2015 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Dec 2015
Jul 2015 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Sep 2015
Jul 2014 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Sep 2014
Apr 2014 Resolved
CARBON, TOTAL
Treatment Technique
Health-Based Health Resolved Jun 2014
Showing 20 of 46 violations
Industrial pollution

Top industrial polluters within 10 miles of Council Grove

Industrial polluters nearby

Reported releases to surface water by facilities near Council Grove, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
REX MATERIAL OF KANSAS LLC
Nonmetallic Mineral Product · UNIFRAX I LLC
COUNCIL GROVE, KS66846
0.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Morris County has experienced 3 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3236
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #1000
May 1973
SEVERE STORMS & FLOODING
Flood FEMA #378

Recommended water filters

Based on contaminants detected in Council Grove's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA 0.007 HI µg/L PFAS Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 4.1 ppb from 2007 (4.1 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Council Grove compares by contaminant

Explore where Council Grove ranks among all Kansas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
2,136
Water Systems
2
Source breakdown
Surface Water
1
Purchased Surface Water
1
Water Source

Where Council Grove's water comes from

Surface Water

Council Grove's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 2,136 people through 2 water systems.

Local Hydrology

Water bodies near Council Grove

Council Grove is located near 4 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Neosho R Ab Council Grove Lk
river
Neosho R
river
Rock C Nr Dunlap
river
Neosho R Nr Dunlap
river
Infrastructure

Water systems serving Council Grove

System Name PWSID Population Source
COUNCIL GROVE, CITY OF KS2012702 2,111 SW
MORRIS CO RWD 2 KS2012706 25 SWP
Regional Comparison

How Council Grove compares

Full Kansas rankings →

Council Grove's score of 82.8/100 is above the average of 62/100 among major Kansas cities. It outscores 8 of 10 nearby cities.

Council Grove (this city)
82.8
Wichita
83.9
Olathe
79.5
Topeka
39.3
Lawrence
74.6
Kansas avg
62
City Profile

About Council Grove, KS

Economic Profile
$52,326
Median Income
$119,656
Median Home Value
$677/mo
Median Rent
3.7%
Unemployment
Community
38.5
Median Age
443
People / sq mi
28.2%
College Educated
70.5%
Homeownership
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Frequently asked questions

Is Council Grove, KS tap water safe to drink?

Council Grove's water quality earned a grade of B+ (82.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #122 out of 323 cities tested in Kansas.

What contaminants are in Council Grove's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 46 violations are on record.

How is Council Grove's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Council Grove?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Council Grove's water come from?

Council Grove's water is sourced from Surface water. The city has 2 water systems serving approximately 2,136 residents.

What health violations has Council Grove's water system had?

Council Grove has 29 health-based violations on record. The most recent violation was recorded in April 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

How does Council Grove's water compare to other cities?

Council Grove ranks #122 out of 323 cities in Kansas (better than 62% of state cities) and #6761 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.