Is Deerpark (T), PA Tap Water Safe to Drink?
Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
46/100
Deerpark (T), PA — Water Quality Report
Deerpark (T)'s drinking water received a grade of D (46 out of 100), indicating poor water quality. The city's 11 water systems serve approximately 2,548 residents using groundwater.
Lead levels were measured at 1.1 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 742 violations on record, including 14 health-based violations. 82 remain unresolved.
What to know about Deerpark (T)'s water
Deerpark (T) ranks #373 out of 560 cities in Pennsylvania for water quality, placing it below average in the state.
Deerpark (T) 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, Deerpark (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 88 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Deerpark (T), PA water safe to drink?
Deerpark (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of D (46/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 11 water systems serve approximately 2,548 residents using groundwater (wells).
Recent water quality updates for Deerpark (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Deerpark (T)'s water quality assessment. Grade: D (46/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
1 health-based. Contaminants: Lead and Copper Rule, Nitrate.
Federal disaster declaration (FEMA DR-4615). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3572). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Deerpark (T)'s water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Deerpark (T)'s water system has 742 total violations on record, including 14 health-based violations. 82 remain unresolved. 88 violations were issued in the last 5 years.
Flood & environmental risk
Dutchess County has experienced 10 federally declared disasters since 1971. 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 Wappinger Creek, West Branch Croton River.
Where does Deerpark (T)'s water come from?
Deerpark (T)'s drinking water comes from groundwater (wells), supplied by 11 water systems serving approximately 2,548 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wappinger Creek (river), West Branch Croton River (river).
What Deerpark (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Deerpark (T)'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.
Deerpark (T)'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
Drought conditions
D1 — moderate droughtOrange 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
Dutchess County has experienced 10 federally declared disasters since 1971. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Deerpark (T)'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. | 1.1 | 15 | ppb | Inorganic | Safe |
| 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. | 1.50 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Deerpark (T) compares by contaminant
Explore where Deerpark (T) ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Deerpark (T)'s water comes from
Deerpark (T)'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 private ownership and serves approximately 2,548 people through 11 water systems.
Water bodies near Deerpark (T)
Deerpark (T) is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Deerpark (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| DEERPARK MANOR | NY3503577 | 500 | GW |
| PINE GROVE MOBILE HOME PARK | NY3501320 | 340 | GW |
| HUGUENOT ESTATES EAST | NY3501327 | 475 | GW |
| PAINTED APRON WATER CO, T.O. | NY3503621 | 300 | GW |
| LAKEWOOD ESTATES | NY3530051 | 210 | GW |
| SENTINEL AT PORT JERVIS | NY3518029 | 193 | GW |
| DRAGON SPRINGS | NY3530183 | 180 | GW |
| GREENWOOD MOBILE HOME COURT | NY3501324 | 175 | GW |
| MAPLE TREE MOBILE HOMES | NY3501333 | 111 | GW |
| SOUTH MAPLE ESTATES | NY3501334 | 36 | GW |
| FAIRLAWN MOBILE VILLAGE | NY3501329 | 28 | GW |
How Deerpark (T) compares
Full Pennsylvania rankings →Deerpark (T)'s score of 46/100 is on par with the average of 49/100 among major Pennsylvania cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Pennsylvania rankings →About Deerpark (T), PA
Wikipedia →Fishkill is a village within the town of Fishkill in Dutchess County, New York, United States. As of the 2020 census, Fishkill had a population of 2,166. The village is in the eastern part of the town of Fishkill on U.S. Route 9, bordering on Fishkill Creek. It is north of Interstate 84. NY 52 is the main street. It is part of the Kiryas Joel–Poughkeepsie–Newburgh metropolitan area as well as the larger New York metropolitan area. The first U. S. Post Office in New York state was established in Fishkill by Samuel Loudon, its first Postmaster.
Learn more about your water
Guides and resources related to Deerpark (T)'s water quality findings.
Explore water quality across Orange
Frequently asked questions
Is Deerpark (T), PA tap water safe to drink?
Deerpark (T)'s water quality earned a grade of D (46/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #373 out of 560 cities tested in Pennsylvania.
What contaminants are in Deerpark (T)'s water?
Lead was measured at 1.1 ppb (90th percentile). 742 violations are on record.
How is Deerpark (T)'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 Deerpark (T)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Deerpark (T)'s water come from?
Deerpark (T)'s water is sourced from Groundwater. The city has 11 water systems serving approximately 2,548 residents.
What health violations has Deerpark (T)'s water system had?
Deerpark (T) has 14 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 82 violations remain unresolved.
Is Deerpark (T)'s groundwater at risk of contamination?
Deerpark (T) 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 742 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 Deerpark (T)'s water compare to other cities?
Deerpark (T) ranks #373 out of 560 cities in Pennsylvania (better than 33% of state cities) and #14004 out of 15744 cities nationally (11th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.