WaterVerge

Is Putnam Valley (T), NY Tap Water Safe to Drink?

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

580 residents served 3 water systems PWSID: NY3903657
Overall Score
87.4 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#361 of 855 in New York Top 26% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.4/100
waterverge.com
A- 87.4/100

Putnam Valley (T), NY — Water Quality Report

Putnam Valley (T)'s drinking water received a grade of A- (87.4 out of 100), indicating good water quality. The city's 3 water systems serve approximately 580 residents using groundwater.

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 49 violations on record, including 4 health-based violations. 3 remain unresolved.

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

What to know about Putnam Valley (T)'s water

Putnam Valley (T) ranks #361 out of 855 cities in New York for water quality, placing it mid-range in the state.

Putnam Valley (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, Putnam Valley (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
87.4 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.0 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 Putnam Valley (T), NY water safe to drink?

Concerns Identified

Putnam Valley (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 580 residents using groundwater (wells).

3
Active Violations
1.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Putnam Valley (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 Putnam Valley (T)'s water quality assessment. Grade: A- (87.4/100).

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.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Combined Radium (-226 and -228).

Violation
3 drinking water violations recorded

1 health-based. Contaminants: Radium-228, Radium-226, Combined Radium (-226 and -228).

Key contaminant findings

Based on the most recent EPA sampling data for Putnam Valley (T)'s water supply.

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.36 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

Putnam Valley (T)'s water system has 49 total violations on record, including 4 health-based violations. 3 remain unresolved.

MRMCLOther
Most recent violations:
Jan 2011 Coliform (TCR) Resolved
Jul 2005 Combined Radium (-226 and -228) Resolved
Apr 2005 Radium-228 Resolved
Apr 2005 Radium-226 Resolved
Apr 2005 Combined Radium (-226 and -228) Resolved

Flood & environmental risk

Putnam County has experienced 10 federally declared disasters since 1999. 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 West Branch Croton River, W Br Croton River Below Dam, Muscoot River, Muscoot River Below Dam, Croton R.

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

Where does Putnam Valley (T)'s water come from?

Putnam Valley (T)'s drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 580 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include West Branch Croton River (river), W Br Croton River Below Dam (river), Muscoot River (river), Muscoot River Below Dam (river), Croton R (river).

What Putnam Valley (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Putnam Valley (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

Putnam Valley (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
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.36 mg/L
EPA Action Level: 1.3 mg/L · +5% over limit
Exceeds Limit
Compliance Record

Violation summary

49
Total violations
4
Health-based
3
Active / unresolved
Jan 2011
Most recent violation
Compliance Record

Violations & advisories

49 Total
3 Active
4 Health-based
46 Resolved
Violations by category
Volatile Organic Chemicals
19
Total Coliform Rule
13
Radionuclides and Revised Rad Rule
6
Inorganic Chemicals
5
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2011
Jul 2005 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 2005
Apr 2005 Resolved
Radium-228
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2005
Apr 2005 Resolved
Radium-226
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2005
Apr 2005 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Jan 2005 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Jan 2004 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Dec 2004
Jun 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2002
Apr 2002 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2002
Feb 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1999
Feb 1996 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1996
Feb 1996 Resolved
Miscellaneous Other Rules
Other Violation Resolved Feb 1996
Jun 1995 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1995
Jan 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jan 1994 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Showing 20 of 49 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Putnam 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.

13.3%
Months in D2+ (last 30y)

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

Putnam County has experienced 10 federally declared disasters since 1999. 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 2020
TROPICAL STORM ISAIAS
Hurricane FEMA #4567
Oct 2012
HURRICANE SANDY
Hurricane FEMA #4085
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351

Recommended water filters

Based on contaminants detected in Putnam Valley (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) 1.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.36 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 8.4 ppb from 1993 (9.4 ppb) to 2024 (1.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.000 mg/L from 2012 (1.360 mg/L) to 2015 (1.360 mg/L).
Contaminant Rankings

See how Putnam Valley (T) compares by contaminant

Explore where Putnam Valley (T) ranks among all New York cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
580
Water Systems
3
Water Source

Where Putnam Valley (T)'s water comes from

Groundwater

Putnam Valley (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 580 people through 3 water systems.

Local Hydrology

Water bodies near Putnam Valley (T)

Putnam Valley (T) is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

West Branch Croton River
river
W Br Croton River Below Dam
river
Muscoot River
river
Muscoot River Below Dam
river
Croton R
river
Infrastructure

Water systems serving Putnam Valley (T)

System Name PWSID Population Source
FLORADAN LODGE NY3903657 400 GW
GLENMAR GARDENS IMPROVMT DIST NY3905713 130 GW
HIGHFIELDS CONDO NY3921739 50 GW
Regional Comparison

How Putnam Valley (T) compares

Full New York rankings →

Putnam Valley (T)'s score of 87.4/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.

Putnam Valley (T) (this city)
87.4
New York avg
74
City Profile

About Putnam Valley (T), NY

Wikipedia →

Putnam Valley is a town in Putnam County, New York, United States. The population was 11,762 at the 2020 census. Its location is northeast of New York City, in the southwestern part of Putnam County. Putnam Valley calls itself the "Town of Lakes".

Economic Profile
$123,070
Median Income
$432,164
Median Home Value
$2,087/mo
Median Rent
4.1%
Unemployment
Community
45.8
Median Age
111
People / sq mi
47.4%
College Educated
88.7%
Homeownership
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Frequently asked questions

Is Putnam Valley (T), NY tap water safe to drink?

Putnam Valley (T)'s water quality earned a grade of A- (87.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #361 out of 855 cities tested in New York.

What contaminants are in Putnam Valley (T)'s water?

Lead was measured at 1.0 ppb (90th percentile). 49 violations are on record.

How is Putnam Valley (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 Putnam Valley (T)?

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

Where does Putnam Valley (T)'s water come from?

Putnam Valley (T)'s water is sourced from Groundwater. The city has 3 water systems serving approximately 580 residents.

What health violations has Putnam Valley (T)'s water system had?

Putnam Valley (T) has 4 health-based violations on record. The most recent violation was recorded in January 2011. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Putnam Valley (T)'s groundwater at risk of contamination?

Putnam Valley (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 49 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 Putnam Valley (T)'s water compare to other cities?

Putnam Valley (T) ranks #361 out of 855 cities in New York (better than 58% of state cities) and #4106 out of 15744 cities nationally (74th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.