WaterVerge

Is Glasgow, PA Tap Water Safe to Drink?

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

2K residents served 1 water system PWSID: PA4110297
Overall Score
73.1 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#161 of 560 in Pennsylvania Top 65% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
73.1/100
waterverge.com
B- 73.1/100

Glasgow, PA — Water Quality Report

Glasgow's drinking water received a grade of B- (73.1 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,746 residents using groundwater.

Lead levels were measured at 7.0 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 68 violations on record, including 5 health-based violations. 4 remain unresolved.

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

What to know about Glasgow's water

Glasgow ranks #161 out of 560 cities in Pennsylvania for water quality, placing it mid-range in the state.

Glasgow 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

The system has seen 9 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
73.1 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
32.1/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
11/20
D
Lead at 7.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Glasgow, PA water safe to drink?

Concerns Identified

Glasgow's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (73.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,746 residents using groundwater (wells).

4
Active Violations
7.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Glasgow

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Glasgow's water quality assessment. Grade: B- (73.1/100).

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
1 drinking water violation recorded

Contaminants: Groundwater Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE SANDY

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

Disaster
HURRICANE KATRINA

Federal disaster declaration (FEMA DR-3235). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Elevated
Detected: 7.0 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Copper Exceeds Limit
Detected: 1.80 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

Glasgow's water system has 68 total violations on record, including 5 health-based violations. 4 remain unresolved. 9 violations were issued in the last 5 years.

MROtherTT
Most recent violations:
Oct 2025 Total Haloacetic Acids (HAA5) Resolved
Oct 2025 TTHM Resolved
Feb 2025 Groundwater Rule Resolved
Jul 2024 Consumer Confidence Rule Open
Jan 2024 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Beaver County has experienced 6 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 Ohio R Ab Montgomery Dam & Locks At Ohioview, Ohio River At Montgomery Lock & Dam, Lower Pool, Little Beaver Creek Near East Liverpool, Ohio R.

HURRICANE SANDY
Hurricane FEMA DR-3356
HURRICANE KATRINA
Hurricane FEMA DR-3235
TROPICAL DEPRESSION IVAN
Hurricane FEMA DR-1557

Where does Glasgow's water come from?

Glasgow's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,746 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ohio R Ab Montgomery Dam & Locks At Ohioview (river), Ohio River At Montgomery Lock & Dam, Lower Pool (river), Little Beaver Creek Near East Liverpool (river), Ohio R (river).

What Glasgow residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Glasgow'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
7.0 ppb
EPA Action Level: 15 ppb · 47% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.80 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

68
Total violations
5
Health-based
4
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

68 Total
4 Active
5 Health-based
64 Resolved
3 SNC
Violations by category
Synthetic Organic Chemicals
13
Inorganic Chemicals
11
Stage 2 Disinfectants and Disinfection Byproducts Rule
7
Surface Water Treatment Rule
7
Volatile Organic Chemicals
7
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2025 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Oct 2025 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2025
Feb 2025 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2025
Jan 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2024
Jul 2021 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2021
Jul 2021 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2021
Oct 2020 Resolved
Groundwater Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2020
Jul 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2017
Oct 2015 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Oct 2015 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Mar 2015 Resolved
Groundwater Rule
Treatment Technique
Health-Based Health Resolved Mar 2015
Jan 2015 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2015 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Showing 20 of 68 violations
Industrial pollution

Top industrial polluters within 10 miles of Glasgow

Industrial polluters nearby

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

Total reported releases to surface water: 36,089 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
ERGON WEST VIRGINIA INC
Petroleum · ERGON INC
NEWELL, WV26050
Nitrate compounds (water dissociable; reportable only when in aqueous solution)34,1696.8 mi
BASF CORP
Chemicals · BASF CORP
MONACA, PA15061
tert-Butyl alcohol8738.6 mi
ALLEGHENY & TSINGSHAN STAINLESS LLC
Primary Metals · ALLEGHENY LUDLUM LLC & YONGQING LLC
MIDLAND, PA15059
Manganese compounds5973.1 mi
VALMONT PITTSBURGH GALVANIZING
Fabricated Metals · VALMONT INDUSTRIES INC
MIDLAND, PA15059
Zinc compounds3843.3 mi
BVPV STYRENICS LLC
Plastics and Rubber · STYROPEK USA INC
MONACA, PA15061
Zinc compounds668.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

6
Declared disasters
Oct 2012
Most recent
Hurricane
Most common type

Beaver County has experienced 6 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 2005
HURRICANE KATRINA
Hurricane FEMA #3235
Sep 2004
TROPICAL DEPRESSION IVAN
Hurricane FEMA #1557
Jun 1996
FLOODING, SEVERE STORMS
Flood FEMA #1120
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1093
Jun 1972
TROPICAL STORM AGNES
Flood FEMA #340

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 7.0 ppb
Read our guide →
🔧
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) 7.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.80 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.0 ppb from 1993 (13.0 ppb) to 1996 (7.0 ppb).

Copper level (90th percentile)

Latest reading: 1.800 mg/L (1994)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,746
Water Systems
1
Water Source

Where Glasgow's water comes from

Groundwater

Glasgow'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 1,746 people through 1 water system.

Local Hydrology

Water bodies near Glasgow

Glasgow is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Ohio R Ab Montgomery Dam & Locks At Ohioview
river
Ohio River At Montgomery Lock & Dam, Lower Pool
river
Little Beaver Creek Near East Liverpool
river
Ohio R
river
Infrastructure

Water systems serving Glasgow

System Name PWSID Population Source
READE TWP MUNI AUTH PA4110297 1,746 GW
Regional Comparison

How Glasgow compares

Full Pennsylvania rankings →

Glasgow's score of 73.1/100 is above the average of 49/100 among major Pennsylvania cities. It outscores 8 of 10 nearby cities.

Glasgow (this city)
73.1
Bryn Mawr
34.2
Mcmurray
86.8
Greensburg
46.7
Pennsylvania avg
49
City Profile

About Glasgow, PA

Wikipedia →

Glasgow is a borough in Beaver County, Pennsylvania, United States, along the Ohio River. The population was 71 at the 2020 census.

Economic Profile
$58,750
Median Income
0%
Unemployment
Community
56.6
Median Age
137
People / sq mi
13.2%
College Educated
87.5%
Homeownership
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Frequently asked questions

Is Glasgow, PA tap water safe to drink?

Glasgow's water quality earned a grade of B- (73.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #161 out of 560 cities tested in Pennsylvania.

What contaminants are in Glasgow's water?

Lead was measured at 7.0 ppb (90th percentile). 68 violations are on record.

How is Glasgow'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 Glasgow?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Glasgow's water come from?

Glasgow's water is sourced from Groundwater. The city has 1 water system serving approximately 1,746 residents.

What health violations has Glasgow's water system had?

Glasgow has 5 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

Is Glasgow's groundwater at risk of contamination?

Glasgow 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 68 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 Glasgow's water compare to other cities?

Glasgow ranks #161 out of 560 cities in Pennsylvania (better than 71% of state cities) and #10162 out of 15744 cities nationally (36th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Glasgow's small water system affect quality?

Glasgow's system serves approximately 1,746 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 68 violations on record.