Water Quality in ELMSFORD, NY (10523)

EPA violation data for public water systems serving ZIP code 10523.

168

Total Violations

Health-Based

166

Monitoring / Reporting

162

Resolved

What does this mean?

162 of 168 violations have been resolved. 2 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 166 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 5 Population served: 5,861

Violations Detail (168 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Dec 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
TTHM	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Cardiovascular system or reproductive problems
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Aldicarb sulfone	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Aldicarb sulfone	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Cardiovascular system or reproductive problems
Aldicarb	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Aldicarb	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Aldicarb sulfoxide	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Aldicarb sulfoxide	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Radium-226	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Radium-226	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Radium-228	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Radium-228	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Radium-228	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Uranium	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Radium-226	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Feb 28, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2024(3)

Revised Total Coliform Rule

Nov 30Resolved

Consumer Confidence Rule

Jun 30Active

Consumer Confidence Rule

Jun 30Active

2023(24)

Consumer Confidence Rule

Dec 31Active

Consumer Confidence Rule

Dec 31Active

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

Total Haloacetic Acids (HAA5)

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

2021(122)

Atrazine

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

Picloram

Dec 31Resolved

Picloram

Dec 31Resolved

Endrin

Dec 31Resolved

Endrin

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

BHC-GAMMA

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Methoxychlor

Dec 31Resolved

Toxaphene

Dec 31Resolved

Toxaphene

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

Di(2-ethylhexyl) adipate

Dec 31Resolved

Simazine

Dec 31Resolved

Simazine

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Di(2-ethylhexyl) phthalate

Dec 31Resolved

Dinoseb

Dec 31Resolved

Dinoseb

Dec 31Resolved

Aldicarb sulfone

Dec 31Resolved

Aldicarb sulfone

Dec 31Resolved

LASSO

Dec 31Resolved

LASSO

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

Heptachlor epoxide

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

2,4,5-TP

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Benzo(a)pyrene

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

Total Polychlorinated Biphenyls (PCB)

Dec 31Resolved

Chlordane

Dec 31Resolved

Chlordane

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

Hexachlorocyclopentadiene

Dec 31Resolved

OXAMYL

Dec 31Resolved

OXAMYL

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

HEXACHLOROBENZENE

Dec 31Resolved

Atrazine

Dec 31Resolved

Aldicarb

Dec 31Resolved

Aldicarb

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Pentachlorophenol

Dec 31Resolved

Dalapon

Dec 31Resolved

Dalapon

Dec 31Resolved

Carbofuran

Dec 31Resolved

Carbofuran

Dec 31Resolved

2,4-D

Dec 31Resolved

2,4-D

Dec 31Resolved

Aldicarb sulfoxide

Dec 31Resolved

Aldicarb sulfoxide

Dec 31Resolved

ETHYLENE DIBROMIDE

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Radium-226

Dec 31Resolved

Radium-226

Dec 31Resolved

Radium-228

Dec 31Resolved

Radium-228

Dec 31Resolved

Radium-228

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Consumer Confidence Rule

Dec 31Resolved

Consumer Confidence Rule

Dec 31Resolved

Consumer Confidence Rule

Dec 31Resolved

Combined Uranium

Dec 31Resolved

Combined Uranium

Dec 31Resolved

Combined Uranium

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Radium-226

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

Revised Total Coliform Rule

Feb 28Resolved

How Does This Compare?

ELMSFORD (10523) has 168 recorded violations, including 2 health-based. 6 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in ELMSFORD, NY (10523)

What does this mean?

Violations Detail (168 total)

Lead & Copper Levels

Violation Timeline

2024(3)

2023(24)

2022(19)

2021(122)

How Does This Compare?

Recommended Water Filters

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code