Is Gratz, PA Tap Water Safe to Drink?
Graded D+ — but Lead and Copper were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
53/100
waterverge.com Gratz, PA — Water Quality Report
Gratz's drinking water received a grade of D+ (53 out of 100), indicating poor water quality. The city's 1 water system serves approximately 738 residents using groundwater.
Lead levels were measured at 67.9 ppb (90th percentile), which exceeds the EPA action level of 15 ppb. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 153 violations on record, including 2 health-based violations. 7 remain unresolved.
What to know about Gratz's water
Gratz ranks #305 out of 560 cities in Pennsylvania for water quality, placing it below average in the state.
Gratz 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.
Lead levels exceed the EPA action level of 15 ppb, which typically indicates aging lead service lines or lead solder in the distribution system. An NSF 53-certified filter is strongly recommended for drinking and cooking water.
As a small community water system, Gratz may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 25 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Gratz, PA water safe to drink?
Gratz's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (53/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 738 residents using groundwater (wells).
Recent water quality updates for Gratz
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Gratz's water quality assessment. Grade: D+ (53/100).
Contaminants: Chlorine, Revised Total Coliform Rule, Groundwater Rule.
Contaminants: Public Notice, Revised Total Coliform Rule.
Contaminants: Chlorine, Groundwater Rule.
Federal disaster declaration (FEMA DR-4618). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4099). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Gratz's water supply.
Exceeds EPA action level. Lead service line replacement and point-of-use filtration recommended.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Gratz's water system has 153 total violations on record, including 2 health-based violations. 7 remain unresolved. 25 violations were issued in the last 5 years.
Flood & environmental risk
Dauphin County has experienced 10 federally declared disasters since 1976. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Gratz's water come from?
Gratz's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 738 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Gratz residents can do
Recommended: NSF 53-certified pitcher or under-sink filter. This addresses the specific contaminants found in Gratz's water.
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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Gratz'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Gratz
Industrial polluters nearby
Reported releases to surface water by facilities near Gratz, ranked by pounds discharged annually.
Total reported releases to surface water: 32,830 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
PAPETTI'S HYGRADE EGG PRODUCTS INC KLINGERSTOWN, PA17941 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 32,830 | 3.6 mi |
WENGER FEEDS LLC-SPRING GLEN (F/K/A WENGER FEED MILL INC) SPRING GLEN, PA17978 | — | — | 3.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D1 — moderate droughtDauphin 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Dauphin County has experienced 10 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Gratz's water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 67.9 | 15 | ppb | Inorganic | Over Limit |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.78 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Gratz compares by contaminant
Explore where Gratz ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Gratz's water comes from
Gratz'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 738 people through 1 water system.
Water systems serving Gratz
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GRATZ BORO WATER REVENUE FUND | PA7220005 | 738 | GW |
How Gratz compares
Full Pennsylvania rankings →Gratz's score of 53/100 is on par with the average of 49/100 among major Pennsylvania cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Pennsylvania rankings →About Gratz, PA
Wikipedia →Gratz is a borough in Dauphin County, Pennsylvania, United States. The population was 743 at the time of the 2020 census, a decline from the figure of 765 in 2010.
Learn more about your water
Guides and resources related to Gratz's water quality findings.
Explore water quality across Dauphin
Frequently asked questions
Is Gratz, PA tap water safe to drink?
Gratz's water quality earned a grade of D+ (53/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #305 out of 560 cities tested in Pennsylvania.
What contaminants are in Gratz's water?
Lead was measured at 67.9 ppb (90th percentile). 153 violations are on record.
How is Gratz'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 Gratz?
Yes — lead levels exceed the EPA action level of 15 ppb. We recommend an NSF 53-certified filter or reverse osmosis system. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Gratz's water come from?
Gratz's water is sourced from Groundwater. The city has 1 water system serving approximately 738 residents.
What health violations has Gratz's water system had?
Gratz has 2 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.
Is Gratz's groundwater at risk of contamination?
Gratz 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 153 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 Gratz's water compare to other cities?
Gratz ranks #305 out of 560 cities in Pennsylvania (better than 46% of state cities) and #12728 out of 15744 cities nationally (19th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Gratz's small water system affect quality?
Gratz's system serves approximately 738 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 153 violations on record.