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Community Water System · PWS NY4500173

Waterford Water Works (Purchase Troy)

Operator location Waterford, New York - UCMR5 detected 2 PFAS compounds (lower-third PFAS panel (≤ 2 compounds)) on this PWS; SDWIS lists 114 violations and 9,800 people served.

9,800
People served (this PWS) Larger third of systems
114
EPA violations (this PWS) Upper third of systems
9
Health-based (this PWS) Middle third by health-based share
2 PFAS
UCMR5 (this PWS) Lower third of PFAS-detected systems
Follow published updates (RSS)

Waterford Water Works (Purchase Troy) standing, high SDWIS violation third

UCMR5 detected 2 PFAS compounds - lower-third PFAS panel (≤ 2 compounds). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 8% is middle-third health share (≤ 23%). UCMR5: lower-third PFAS panel (≤ 2 compounds). Population rank #4,775 of 29,740 among systems serving 500+.

The verdict

Waterford Water Works (Purchase Troy) sits in the upper third of the sitemap cohort by violation count (114), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is large (9,800; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 8% (middle-third health share (≤ 23%)). UCMR5 detected 2 PFAS compounds (lower-third PFAS panel (≤ 2 compounds)).

#4,775 of 29,740
Population · /systems
#163 of 1,204
Population · NY
114
Total EPA violations on record
8%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

D
Water Safety Score
43/100
Waterford Water Works (Purchase Troy)

Based on EPA SDWIS violation history and UCMR5 PFAS testing only, not water taste, odor, infrastructure age, or contaminants outside the federally tracked set.

Health-based violations F
9
EPA SDWIS health-based violations on record (MCL, MRDL, treatment technique)
Monitoring & reporting violations F
105
Non-health SDWIS violations (monitoring, reporting, and other compliance)
PFAS contamination A+
0.0035 µg/L
Highest PFAS compound level detected in UCMR5 testing

System Details

System Type
Community
Owner Type
Local
Connections
3,254
County
Saratoga
School/Daycare
No
MCL Violations
2
Monitoring Violations
101
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MR 27 2008
Lead TT 7 2005
Lead and Copper Rule MR 4 2006
DICHLOROMETHANE MR 3 2002
Consumer Confidence Rule Other 3 2020
Tetrachloroethylene MR 3 2002
Trichloroethylene MR 3 2002
1,2-Dichloropropane MR 3 2002
Carbon tetrachloride MR 3 2002
Styrene MR 3 2002
Toluene MR 3 2002
Benzene MR 3 2002
trans-1,2-Dichloroethylene MR 3 2002
1,1-Dichloroethylene MR 3 2002
cis-1,2-Dichloroethylene MR 3 2002
1,2,4-Trichlorobenzene MR 3 2002
Vinyl chloride MR 3 2002
o-Dichlorobenzene MR 3 2002
1,2-Dichloroethane MR 3 2002
Ethylbenzene MR 3 2002
1,1,2-Trichloroethane MR 3 2002
CHLOROBENZENE MR 3 2002
1,1,1-Trichloroethane MR 3 2002
Radium-228 MR 3 2008
p-Dichlorobenzene MR 3 2002
Coliform (TCR) MCL 2 2004
Selenium MR 1 1983
Chromium MR 1 1983
Barium MR 1 1983
Mercury MR 1 1983

Violation Count vs. the National Corpus

Waterford Water Works (Purchase Troy) has 114 recorded EPA violations, 76% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 24% carry more. 8% of this system's own violations are health-based (9 of 114), and it ranks #4,775 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

114 Higher than most more violations than 76% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

How many violations vs. how serious, among peer systems

Waterford Water Works (Purchase Troy) plotted against 29 peer public water systems (500+ people served), by total violation count (x) and the share of those violations that are health-based (y). The crosshair sits at this sample's own median on each axis. A high violation count does not automatically mean a serious record: most monitoring and reporting violations are minor, not health-based.

Violation volume vs. health-based share

30 public water systems (500+ people served), EPA SDWIS current release. 2×2 strategic matrix plotting 30 entities by Total violations (X) and Health-based share (Y), with a crosshair dividing the plot into four quadrants. Frequent and seriousRare but seriousFrequent, mostly paperworkClean record 0200400600 0%20%40%60%80%100% Total violations Health-based share Violation volume vs. health-based share Miccosukee Service Plaza-0, 0%Brazoria - Fort Bend Counties MUD 3-0, 0%Tanglewilde Thompson Place 600-2, 0%Center Water Co-5, 0%Montgomery Co RWD 12-7, 29%Spring Mills Elem School/Hvs-9, 0%Irvin Water District #6-11, 27%Great Bend Industrial Park-14, 0%Nooksack Valley Water Association-16, 31%Glen Park Village-19, 0%Camp Is-Sho-Da-22, 0%Kipling Oaks 1-25, 16%McLouth, City Of-29, 17%Hamilton-33, 0%Pine Valley Plantation-37, 24%Lake Gibson Estates-42, 2%Ticonderoga WD-47, 26%Town of Welaka-54, 0%Township of Blairstown Dpw-61, 0%McIntosh Water & Fire Pro Authority-71, 0%Sunset Ridge Water District-82, 15%South Deerfield Water Supply District-96, 16%Clarkdale Municipal Water System-114, 0%Orange Water Dept-136, 14%Mount Pleasant Water Sys #1-167, 11%Benson Culinary Improvement District-212, 1%Eureka Water Association-273, 0%City of Ballinger-372, 85%Conemaugh Twp Muni Auth-567, 1%Waterford Water Works (Purchase Troy)-114, 8%
30 public water systems (500+ people served), EPA SDWIS current release.

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFMPA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/14/2025 <20.00 ppt 20.00 ppt Not Detected
PFTA 7/14/2025 <8.00 ppt 8.00 ppt Not Detected
PFDoA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/14/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/14/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/14/2025 <6.00 ppt 6.00 ppt Not Detected
PFNA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/14/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 7/14/2025 <7.00 ppt 7.00 ppt Not Detected
PFEESA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/14/2025 <5.00 ppt 5.00 ppt Not Detected
NFDHA 7/14/2025 <20.00 ppt 20.00 ppt Not Detected
PFMBA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 7/14/2025 <8.00 ppt 8.00 ppt Not Detected
PFOS 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 7/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/14/2025 <3.00 ppt 3.00 ppt Not Detected

UCMR5 PFAS record for Waterford Water Works (Purchase Troy)

Open EPA SDWIS federal reports for PWS NY4500173 to cross-check UCMR5 detections and violation codes; state primacy agencies enforce the Safe Drinking Water Act locally.

Sources: EPA SDWIS · New York State Department of Health, Public Water Systems

Nationwide peers

114 violations · 9,800 served: nearest cross-state SDWIS matches.

What to do with Waterford Water Works

Use this system's EPA-reported record as a starting filter, not a final verdict.

  • See how every tracked system in New York compares on the same EPA violation measures. New York systems
  • Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
  • Find and compare another public water system by name or PWSID. Search systems

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.