WaterVerge

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 ↓

3K residents served 11 water systems PWSID: NY3503577
Overall Score
46 / 100
Violations
82 active
Last Updated
May 2026
Source
Groundwater
#373 of 560 in Pennsylvania Top 89% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
46/100
waterverge.com
D 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.

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

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.

Quality Breakdown

Water quality score

See methodology →
46 out of 100 Grade D
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
16/20
B
Lead at 1.1 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 Deerpark (T), PA water safe to drink?

Concerns Identified

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).

82
Active Violations
1.1 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Deerpark (T)

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Deerpark (T)'s water quality assessment. Grade: D (46/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Lead and Copper Rule, Nitrate.

Disaster
REMNANTS OF HURRICANE IDA

Federal disaster declaration (FEMA DR-4615). Hurricane event — may have impacted local water infrastructure.

Disaster
REMNANTS OF HURRICANE IDA

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.

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.50 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

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.

OtherTTMRRPTMONMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Mar 2025 Public Notice Open
Jan 2025 Lead and Copper Rule Open
Jan 2025 Nitrate Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

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.

REMNANTS OF HURRICANE IDA
Hurricane FEMA DR-4615
REMNANTS OF HURRICANE IDA
Hurricane FEMA DR-3572
HURRICANE HENRI
Hurricane FEMA DR-3565

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

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Deerpark (T)'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

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.50 mg/L
EPA Action Level: 1.3 mg/L · +15% over limit
Exceeds Limit
Compliance Record

Violation summary

742
Total violations
14
Health-based
82
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

742 Total
82 Active
14 Health-based
660 Resolved
6 SNC
Violations by category
Volatile Organic Chemicals
182
Synthetic Organic Chemicals
168
Miscellaneous Other Rules
150
Radionuclides and Revised Rad Rule
51
Lead and Copper Rule
45
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Sep 2024 Active
Public Notice
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jan 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jan 2022 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Aug 2021 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jul 2021 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jan 2021 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Showing 20 of 742 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Orange 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.

10.4%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

10
Declared disasters
Sep 2021
Most recent
Hurricane
Most common type

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.

Sep 2021
REMNANTS OF HURRICANE IDA
Hurricane FEMA #4615
Sep 2021
REMNANTS OF HURRICANE IDA
Hurricane FEMA #3572
Aug 2021
HURRICANE HENRI
Hurricane FEMA #3565
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Aug 2011
HURRICANE IRENE
Hurricane FEMA #4020
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262

Recommended water filters

Based on contaminants detected in Deerpark (T)'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) 1.1 15 ppb Inorganic Safe
Copper (90th percentile) 1.50 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 9.0 ppb from 1993 (10.0 ppb) to 2025 (1.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 1.020 mg/L from 1994 (2.520 mg/L) to 2025 (1.500 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
2,548
Water Systems
11
Water Source

Where Deerpark (T)'s water comes from

Groundwater

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.

Local Hydrology

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.

Wappinger Creek
river
West Branch Croton River
river
Infrastructure

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
Regional Comparison

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.

Deerpark (T) (this city)
46
Bryn Mawr
34.2
Mcmurray
86.8
Greensburg
46.7
Pennsylvania avg
49
City Profile

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.

Economic Profile
$93,638
Median Income
$360,621
Median Home Value
$1,690/mo
Median Rent
5.3%
Unemployment
Community
45
Median Age
342
People / sq mi
37.3%
College Educated
62.5%
Homeownership
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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.