WaterVerge

Is Spring Mills, PA Tap Water Safe to Drink?

Graded F, with 223 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

834 residents served 4 water systems PWSID: PA4140107
Overall Score
42 / 100
Violations
223 active
Last Updated
May 2026
Source
Ground water under influence
#435 of 560 in Pennsylvania Top 95% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
42/100
waterverge.com
F 42/100

Spring Mills, PA — Water Quality Report

Spring Mills's drinking water received a grade of F (42 out of 100), indicating failing water quality. The city's 4 water systems serve approximately 834 residents using ground water under influence.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 1113 violations on record, including 10 health-based violations. 223 remain unresolved.

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

What to know about Spring Mills's water

Spring Mills ranks #435 out of 560 cities in Pennsylvania for water quality, placing it among the lowest-rated in the state.

Spring Mills 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.

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

The system has seen 267 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
42 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
19/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
14.5/20
C
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

Is Spring Mills, PA water safe to drink?

Concerns Identified

Spring Mills's drinking water has significant quality concerns based on EPA testing data. With a grade of F (42/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 834 residents using groundwater (wells).

223
Active Violations
1.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Spring Mills

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Spring Mills's water quality assessment. Grade: F (42/100).

Violation
5 drinking water violations recorded

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

Violation
1 drinking water violation recorded

Contaminants: Surface Water Treatment Rule.

Violation
2 drinking water violations recorded

Contaminants: Gross Alpha, Excl. Radon and U, Combined Uranium.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4292). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE SANDY

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

Key contaminant findings

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

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Spring Mills's water system has 1,113 total violations on record, including 10 health-based violations. 223 remain unresolved. 267 violations were issued in the last 5 years.

MROtherTTMONRPT
Most recent violations:
Jan 2026 Chlorine Resolved
Jan 2026 Surface Water Treatment Rule Resolved
Jan 2026 Interim Enhanced Surface Water Treatment Rule Resolved
Jan 2026 Groundwater Rule Resolved
Jan 2026 Chlorine Resolved

Flood & environmental risk

Centre County has experienced 8 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 Fishing Creek Near Lamar.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4292
HURRICANE SANDY
Hurricane FEMA DR-3356
REMNANTS OF TROPICAL STORM LEE
Flood FEMA DR-3340

Where does Spring Mills's water come from?

Spring Mills's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 834 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Fishing Creek Near Lamar (river).

What Spring Mills residents can do

Install a water filter

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

Spring Mills'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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
7.3 µg/L
EPA MCL: 60 µg/L · 12% of limit
Within LimitUCMR 4 DataHAA6Br: 1.9 µg/LHAA9: 9.2 µg/L
Compliance Record

Violation summary

1113
Total violations
10
Health-based
223
Active / unresolved
Jan 2026
Most recent violation
Compliance Record

Violations & advisories

1113 Total
223 Active
10 Health-based
890 Resolved
29 SNC
Violations by category
Synthetic Organic Chemicals
304
Volatile Organic Chemicals
240
Public Notice Rule and Revised PN Rule
186
Inorganic Chemicals
72
Stage 1 Disinfectants and Disinfection Byproducts Rule
62
Sep 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Nov 2024 Active
Public Notice
Other Violation 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Jan 2024 Active
Public Notice
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Nov 2021 Active
Public Notice
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Sep 2021 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Sep 2021 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Aug 2021 Active
Public Notice
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jun 2021 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jun 2021 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
May 2021 Active
Public Notice
Other Violation 0
Apr 2021 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Apr 2021 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Showing 20 of 1113 violations
Industrial pollution

Top industrial polluters within 10 miles of Spring Mills

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
SUPELCO
Computers and Electronic Products · EMD HOLDING CORP
BELLEFONTE, PA16823
9.3 mi
HANOVER FOODS CORP
Food · NA
CENTRE HALL, PA16828
5.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

8
Declared disasters
Dec 2016
Most recent
Flood
Most common type

Centre County has experienced 8 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Dec 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4292
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3356
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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 3.0 ppb from 1993 (1.0 ppb) to 1996 (4.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Local Government
Population Served
834
Water Systems
4
Source breakdown
Groundwater
3
Ground Water Under Influence
1
Water Source

Where Spring Mills's water comes from

Ground Water Under Influence

Spring Mills'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 834 people through 4 water systems.

Local Hydrology

Water bodies near Spring Mills

Spring Mills is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Fishing Creek Near Lamar
river
Infrastructure

Water systems serving Spring Mills

System Name PWSID Population Source
GREGG TOWNSHIP WATER AUTHORITY PA4140107 670 GU
COUNTRY CLUB PARK PA4140125 75 GW
HIDDEN VIEW ESTATES PA4140048 57 GW
WYNWOOD HOUSE AT SALEM HILL PA4140127 32 GW
Regional Comparison

How Spring Mills compares

Full Pennsylvania rankings →

Spring Mills's score of 42/100 is below the average of 49/100 among major Pennsylvania cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Spring Mills (this city)
42
Bryn Mawr
34.2
Mcmurray
86.8
Greensburg
46.7
Pennsylvania avg
49
City Profile

About Spring Mills, PA

Wikipedia →

Spring Mills is an unincorporated community and census-designated place (CDP) in Centre County, Pennsylvania, United States. It is part of the State College, Pennsylvania Metropolitan Statistical Area. The population was 268 at the 2010 census.

Economic Profile
$57,639
Median Income
$200,645
Median Home Value
$900/mo
Median Rent
8.6%
Unemployment
Community
48.4
Median Age
282
People / sq mi
24.5%
College Educated
70.4%
Homeownership
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Frequently asked questions

Is Spring Mills, PA tap water safe to drink?

Spring Mills's water quality earned a grade of F (42/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #435 out of 560 cities tested in Pennsylvania.

What contaminants are in Spring Mills's water?

Lead was measured at 1.0 ppb (90th percentile). 1113 violations are on record.

How is Spring Mills'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 Spring Mills?

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

Where does Spring Mills's water come from?

Spring Mills's water is sourced from Ground water under influence. The city has 4 water systems serving approximately 834 residents.

What health violations has Spring Mills's water system had?

Spring Mills has 10 health-based violations on record. The most recent violation was recorded in January 2026. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 223 violations remain unresolved.

Is Spring Mills's groundwater at risk of contamination?

Spring Mills 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 1113 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 Spring Mills's water compare to other cities?

Spring Mills ranks #435 out of 560 cities in Pennsylvania (better than 22% of state cities) and #14918 out of 15744 cities nationally (5th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.