WaterVerge

Is Memphis, MO Tap Water Safe to Drink?

Graded C, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 2 water systems PWSID: MO2024565
Overall Score
60.6 / 100
Violations
10 active
Last Updated
May 2026
Source
Purchased surface water
#445 of 509 in Missouri Top 77% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
CGRADE
Water Quality Grade
60.6/100
waterverge.com
C 60.6/100

Memphis, MO — Water Quality Report

Memphis's drinking water received a grade of C (60.6 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 5,182 residents using purchased surface water.

Lead levels were measured at 2.5 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 40 violations on record, including 16 health-based violations. 10 remain unresolved.

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

What to know about Memphis's water

Memphis ranks #445 out of 509 cities in Missouri for water quality, placing it among the lowest-rated 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.

The system has seen 25 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
60.6 out of 100 Grade C
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
13.1/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.5 ppb (90th percentile).
Contaminants
18.5/20
A
1 PFAS compound detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Memphis, MO water safe to drink?

Concerns Identified

Memphis's drinking water has significant quality concerns based on EPA testing data. With a grade of C (60.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 5,182 residents using surface water (rivers, lakes, or reservoirs).

10
Active Violations
2.5 ppb
Lead (90th %ile)
1 compound
PFAS Detected
5 events
Disaster History

Recent water quality updates for Memphis

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 Memphis's water quality assessment. Grade: C (60.6/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
3 drinking water violations recorded

Contaminants: Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3232). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: PFBA at 0.0120 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

Memphis's water system has 40 total violations on record, including 16 health-based violations. 10 remain unresolved. 25 violations were issued in the last 5 years.

OtherMRTTMONMCL
Most recent violations:
Aug 2025 Public Notice Open
Jul 2025 Consumer Confidence Rule Open
Jun 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Jun 2025 Interim Enhanced Surface Water Treatment Rule Resolved
Jun 2025 Surface Water Treatment Rule Resolved

Flood & environmental risk

Scotland County has experienced 5 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.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3232
SEVERE STORMS & FLOODING
Flood FEMA DR-995
SEVERE STORMS & FLOODING
Flood FEMA DR-779

Where does Memphis's water come from?

Memphis's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 5,182 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Memphis residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Memphis'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

Memphis'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
2.5 ppb
EPA Action Level: 15 ppb · 17% of limit
Safe Level
PFBA
PFAS / Forever Chemical
Near MCL
0.0120 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

40
Total violations
16
Health-based
10
Active / unresolved
Aug 2025
Most recent violation
Compliance Record

Violations & advisories

40 Total
10 Active
16 Health-based
30 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
16
Public Notice Rule and Revised PN Rule
6
Interim and Long Term 1 Enhanced Surface Water Treatment Rule
6
Consumer Confidence Rule
3
Surface Water Treatment Rule
3
Aug 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Sep 2024 Active
Public Notice
Other Violation 0
Jul 2024 Active
Public Notice
Other Violation 0
Apr 2024 Active
Public Notice
Other Violation 0
Jan 2024 Active
Public Notice
Other Violation 0
Oct 2022 Active
Public Notice
Other Violation 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jun 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2025
Jun 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2025
Jun 2025 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2025
Nov 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2024
Nov 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2024
Nov 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2024
May 2024 Resolved
Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2024
May 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2024
May 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring & Reporting
Monitoring & Reporting Resolved May 2024
Apr 2024 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2024
Showing 20 of 40 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Scotland County has experienced 5 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 #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995
Oct 1986
SEVERE STORMS & FLOODING
Flood FEMA #779
Jun 1974
SEVERE STORMS & FLOODING
Flood FEMA #439
Nov 1973
SEVERE STORMS & FLOODING
Flood FEMA #407

Recommended water filters

Based on contaminants detected in Memphis'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) 2.5 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 0.012 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 increased by 2.5 ppb from 1993 (0.0 ppb) to 2025 (2.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
5,182
Water Systems
2
Source breakdown
Purchased Surface Water
1
Surface Water
1
Water Source

Where Memphis's water comes from

Purchased Surface Water

Memphis'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 5,182 people through 2 water systems.

Infrastructure

Water systems serving Memphis

System Name PWSID Population Source
SCOTLAND COUNTY CONS PWSD 1 MO2024565 3,360 SWP
MEMPHIS PWS MO2010513 1,822 SW
Regional Comparison

How Memphis compares

Full Missouri rankings →

Memphis's score of 60.6/100 is on par with the average of 62/100 among major Missouri cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Memphis (this city)
60.6
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Memphis, MO

Wikipedia →

Memphis is a city in and the county seat of Scotland County, on the northern border of Missouri, United States. As of the 2020 census, its population was 1,731. U.S. Highway 136 passes near Memphis, which is east of Lancaster and west of Kahoka.

Economic Profile
$40,745
Median Income
$91,087
Median Home Value
$443/mo
Median Rent
2.9%
Unemployment
Community
36.4
Median Age
461
People / sq mi
15.5%
College Educated
67.3%
Homeownership
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Frequently asked questions

Is Memphis, MO tap water safe to drink?

Memphis's water quality earned a grade of C (60.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #445 out of 509 cities tested in Missouri.

What contaminants are in Memphis's water?

Lead was measured at 2.5 ppb (90th percentile). 1 PFAS compound was detected. 40 violations are on record.

How is Memphis'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 Memphis?

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

Where does Memphis's water come from?

Memphis's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 5,182 residents.

What health violations has Memphis's water system had?

Memphis has 16 health-based violations on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

How does Memphis's water compare to other cities?

Memphis ranks #445 out of 509 cities in Missouri (better than 13% of state cities) and #12068 out of 15744 cities nationally (23th percentile). The grade of C reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.