WaterVerge

Is Perryville, MO Tap Water Safe to Drink?

Graded F — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

12K residents served 6 water systems PWSID: MO4010636
Overall Score
44.2 / 100
Violations
19 active
Last Updated
May 2026
Source
Surface water
#497 of 509 in Missouri Top 92% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
44.2/100
waterverge.com
F 44.2/100

Perryville, MO — Water Quality Report

Perryville's drinking water received a grade of F (44.2 out of 100), indicating failing water quality. The city's 6 water systems serve approximately 12,296 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 158 violations on record, including 51 health-based violations. 19 remain unresolved.

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

What to know about Perryville's water

Perryville ranks #497 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 41 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
44.2 out of 100 Grade F
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
16.2/20
B
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 Perryville, MO water safe to drink?

Concerns Identified

Perryville's drinking water has significant quality concerns based on EPA testing data. With a grade of F (44.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 6 water systems serve approximately 12,296 residents using surface water (rivers, lakes, or reservoirs).

19
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
7 events
Disaster History

Recent water quality updates for Perryville

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 Perryville's water quality assessment. Grade: F (44.2/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
3 drinking water violations recorded

Contaminants: TTHM, Nitrate-Nitrite, Total Haloacetic Acids (HAA5).

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING

Federal disaster declaration (FEMA DR-4435). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.35 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 32.0000 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

Perryville's water system has 158 total violations on record, including 51 health-based violations. 19 remain unresolved. 41 violations were issued in the last 5 years.

MONOtherMRRPTMCLTT
Most recent violations:
Nov 2025 Revised Total Coliform Rule Resolved
Jul 2025 Consumer Confidence Rule Open
Jan 2025 TTHM Resolved
Jan 2025 Nitrate-Nitrite Resolved
Jan 2025 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Perry County has experienced 7 federally declared disasters since 1982. 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 South Fork Saline Creek Near Perryville.

SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4435
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA DR-4317
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA DR-4250

Where does Perryville's water come from?

Perryville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 6 water systems serving approximately 12,296 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include South Fork Saline Creek Near Perryville (river).

What Perryville residents can do

Install a water filter

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

Perryville'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
Copper (90th percentile)
Inorganic
Over Limit
1.35 mg/L
EPA Action Level: 1.3 mg/L · +4% over limit
Exceeds Limit
lithium
PFAS / Forever Chemical
Near MCL
32.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
32.0 µg/L
State screening level: 60 µg/L · 53% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

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

Violation summary

158
Total violations
51
Health-based
19
Active / unresolved
Nov 2025
Most recent violation
Compliance Record

Violations & advisories

158 Total
19 Active
51 Health-based
139 Resolved
Violations by category
Volatile Organic Chemicals
41
Radionuclides and Revised Rad Rule
29
Synthetic Organic Chemicals
25
Total Coliform Rule
22
Stage 2 Disinfectants and Disinfection Byproducts Rule
11
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jun 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Dec 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2023 Active
Public Notice
Other Violation 0
Nov 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jun 2016 Active
Public Notice
Other Violation 0
Sep 2013 Active
Public Notice
Other Violation 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Jul 2000 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Nov 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Nov 2025
Showing 20 of 158 violations
Industrial pollution

Top industrial polluters within 10 miles of Perryville

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
H & G MARINE SERVICE INC
Fabricated Metals · NA
PERRYVILLE, MO63775
1.6 mi
TG MISSOURI
Transportation Equipment · NA
PERRYVILLE, MO63775
1.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Perry County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

7.1%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

7
Declared disasters
May 2019
Most recent
Flood
Most common type

Perry County has experienced 7 federally declared disasters since 1982. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2019
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4435
Jun 2017
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS AND FLOODING
Flood FEMA #4317
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #4250
Jan 2016
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING
Flood FEMA #3374
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3232
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #995

Recommended water filters

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

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected
🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.35 1.3 mg/L Inorganic Over Limit
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 32.000 HI µg/L PFAS 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 ND HI µg/L PFAS Not 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 4.9 ppb from 1992 (0.0 ppb) to 2025 (4.9 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.049 mg/L from 1992 (1.399 mg/L) to 1993 (1.350 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
12,296
Water Systems
6
Source breakdown
Groundwater
4
Surface Water
1
Purchased Surface Water
1
Water Source

Where Perryville's water comes from

Surface Water

Perryville'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 12,296 people through 6 water systems.

Local Hydrology

Water bodies near Perryville

Perryville is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

South Fork Saline Creek Near Perryville
river
Infrastructure

Water systems serving Perryville

System Name PWSID Population Source
PERRYVILLE PWS MO4010636 8,555 SW
PERRY COUNTY PWSD 1 MO4024455 2,023 GW
PERRY COUNTY PWSD 2 MO4024456 750 SWP
S K & M WATER AND SEWER COMPANY MO4036226 750 GW
LAKE KAH TAN DA ESTATES INC MO4036202 158 GW
ST MARYS SEMINARY MO4069016 60 GW
Regional Comparison

How Perryville compares

Full Missouri rankings →

Perryville's score of 44.2/100 is below the average of 62/100 among major Missouri cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Perryville (this city)
44.2
St. Louis
40.9
Columbia
61.4
Missouri avg
62
City Profile

About Perryville, MO

Wikipedia →

Perryville is a city in and the county seat of Perry County, Missouri, United States. The population was 8,555 at the 2020 United States census.

Economic Profile
$52,500
Median Income
$181,658
Median Home Value
$882/mo
Median Rent
6.4%
Unemployment
Community
38.2
Median Age
404
People / sq mi
19.5%
College Educated
61.2%
Homeownership
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Frequently asked questions

Is Perryville, MO tap water safe to drink?

Perryville's water quality earned a grade of F (44.2/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #497 out of 509 cities tested in Missouri.

What contaminants are in Perryville's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 158 violations are on record.

How is Perryville'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 Perryville?

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

Where does Perryville's water come from?

Perryville's water is sourced from Surface water. The city has 6 water systems serving approximately 12,296 residents.

What health violations has Perryville's water system had?

Perryville has 51 health-based violations on record. The most recent violation was recorded in November 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 19 violations remain unresolved.

How does Perryville's water compare to other cities?

Perryville ranks #497 out of 509 cities in Missouri (better than 2% of state cities) and #14400 out of 15744 cities nationally (9th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.