WaterVerge

Is Myerstown, PA Tap Water Safe to Drink?

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

10K residents served 3 water systems PWSID: PA7380025
Overall Score
59 / 100
Violations
28 active
Last Updated
May 2026
Source
Ground water under influence
#268 of 560 in Pennsylvania Top 78% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C-GRADE
Water Quality Grade
59/100
waterverge.com
C- 59/100

Myerstown, PA — Water Quality Report

Myerstown's drinking water received a grade of C- (59 out of 100), indicating poor water quality. The city's 3 water systems serve approximately 9,934 residents using ground water under influence.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 222 violations on record, including 6 health-based violations. 28 remain unresolved.

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

What to know about Myerstown's water

Myerstown ranks #268 out of 560 cities in Pennsylvania for water quality, placing it mid-range in the state.

Myerstown relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

The system has seen 12 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
59 out of 100 Grade C-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
17.5/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
14/20
C
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Myerstown, PA water safe to drink?

Concerns Identified

Myerstown's drinking water has significant quality concerns based on EPA testing data. With a grade of C- (59/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 9,934 residents using groundwater (wells).

28
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
9 events
Disaster History

Recent water quality updates for Myerstown

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Myerstown's water quality assessment. Grade: C- (59/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

Contaminants: Nitrate, Nitrite.

Violation
1 drinking water violation recorded

Contaminants: Groundwater Rule.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.

Disaster
TROPICAL STORM LEE

Federal disaster declaration (FEMA DR-4030). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.79 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.

Violation history

Myerstown's water system has 222 total violations on record, including 6 health-based violations. 28 remain unresolved. 12 violations were issued in the last 5 years.

OtherMRMONMCL
Most recent violations:
Apr 2025 Public Notice Open
Jul 2024 Nitrate Resolved
Jul 2024 Nitrite Resolved
May 2024 Groundwater Rule Resolved
Jan 2024 CARBON, TOTAL Resolved

Flood & environmental risk

Lebanon County has experienced 9 federally declared disasters since 1972. 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 Tulpehocken Creek Near Bernville, Hammer Creek At Obie Rd Nr Schafferstown.

HURRICANE SANDY
Hurricane FEMA DR-3356
TROPICAL STORM LEE
Flood FEMA DR-4030
REMNANTS OF TROPICAL STORM LEE
Flood FEMA DR-3340

Where does Myerstown's water come from?

Myerstown's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 9,934 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tulpehocken Creek Near Bernville (river), Hammer Creek At Obie Rd Nr Schafferstown (river).

What Myerstown residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Myerstown'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

Myerstown'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
1.79 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
PFAS Testing

Forever chemicals overview

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

Violation summary

222
Total violations
6
Health-based
28
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

222 Total
28 Active
6 Health-based
194 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
120
Public Notice Rule and Revised PN Rule
21
Nitrate Rule
16
Synthetic Organic Chemicals
15
Radionuclides and Revised Rad Rule
9
Apr 2025 Active
Public Notice
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2020 Active
Consumer Confidence Rule
Other Violation 0
Jul 2018 Active
Consumer Confidence Rule
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Jul 2017 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Apr 2016 Active
Revised Total Coliform Rule
Other Violation 0
Sep 2014 Active
Public Notice
Other Violation 0
Showing 20 of 222 violations
Industrial pollution

Top industrial polluters within 10 miles of Myerstown

Industrial polluters nearby

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

Total reported releases to surface water: 51,326 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
KEYSTONE PROTEIN CO
Food · SECHLER FAMILY FOODS
FREDERICKSBURG, PA17026
Nitrate compounds (water dissociable; reportable only when in aqueous solution)51,3257.5 mi
TECH CAST LLC
Primary Metals · DAEDALUS INVESTMENTS LLC
MYERSTOWN, PA17067
Nickel10.4 mi
BQC FOUNDRY
Primary Metals · NA
LEBANON, PA17042
Lead07.2 mi
PRL INDUSTRIES INC
Primary Metals · PRL INC
CORNWALL, PA17016
8.9 mi
TABLE TRUST BRANDS LLC FREEBIRD WEST
Food · ATERIAN INVESTMENT PARTNERS
FREDERICKSBURG, PA17026
8.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Myerstown

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D2 — severe drought

Lancaster County is currently in D2 (severe 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.

3
Weeks at D2+ (current streak)
9.5%
Months in D2+ (last 30y)
9
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

9
Declared disasters
Oct 2012
Most recent
Flood
Most common type

Lebanon County has experienced 9 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2012
HURRICANE SANDY
Hurricane FEMA #3356
Sep 2011
TROPICAL STORM LEE
Flood FEMA #4030
Sep 2011
REMNANTS OF TROPICAL STORM LEE
Flood FEMA #3340
Sep 2005
HURRICANE KATRINA
Hurricane FEMA #3235
Sep 2004
TROPICAL DEPRESSION IVAN
Hurricane FEMA #1557
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1093

Recommended water filters

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

🔧
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) 1.79 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 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 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 decreased by 15.0 ppb from 1992 (15.0 ppb) to 2025 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.122 mg/L from 1992 (1.670 mg/L) to 2020 (1.792 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
9,934
Water Systems
3
Source breakdown
Groundwater
2
Ground Water Under Influence
1
Water Source

Where Myerstown's water comes from

Ground Water Under Influence

Myerstown's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 9,934 people through 3 water systems.

Local Hydrology

Water bodies near Myerstown

Myerstown is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Tulpehocken Creek Near Bernville
river
Hammer Creek At Obie Rd Nr Schafferstown
river
Infrastructure

Water systems serving Myerstown

System Name PWSID Population Source
MYERSTOWN WATER AUTH PA7380025 9,500 GU
COUNTRY ACRES MHP PA7380026 400 GW
HOMEROOM COMMONS APARTMENTS PA7360081 34 GW
Regional Comparison

How Myerstown compares

Full Pennsylvania rankings →

Myerstown's score of 59/100 is above the average of 49/100 among major Pennsylvania cities. It outscores 8 of 10 nearby cities.

Myerstown (this city)
59
Bryn Mawr
34.2
Mcmurray
86.8
Greensburg
46.7
Pennsylvania avg
49
City Profile

About Myerstown, PA

Wikipedia →

Myerstown is a borough located in Lebanon County, Pennsylvania. It is part of the Lebanon, Pennsylvania Metropolitan statistical area. The population was 3,103 at the 2020 census. It is home to over 100 businesses, including a Bayer manufacturing plant, a GAF manufacturing plant, Farmer Boy Ag, Stoneridge Towne Centre and Wengers of Myerstown. The Evangelical Seminary is located on South College Street.

Economic Profile
$52,429
Median Income
$171,064
Median Home Value
$947/mo
Median Rent
4.4%
Unemployment
Community
43.1
Median Age
1,401
People / sq mi
9.1%
College Educated
63.2%
Homeownership
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Frequently asked questions

Is Myerstown, PA tap water safe to drink?

Myerstown's water quality earned a grade of C- (59/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #268 out of 560 cities tested in Pennsylvania.

What contaminants are in Myerstown's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 222 violations are on record.

How is Myerstown'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 Myerstown?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Myerstown's water come from?

Myerstown's water is sourced from Ground water under influence. The city has 3 water systems serving approximately 9,934 residents.

What health violations has Myerstown's water system had?

Myerstown has 6 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. 28 violations remain unresolved.

Is Myerstown's groundwater at risk of contamination?

Myerstown uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 222 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Myerstown's water compare to other cities?

Myerstown ranks #268 out of 560 cities in Pennsylvania (better than 52% of state cities) and #12228 out of 15744 cities nationally (22th percentile). The grade of C- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.