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Community Water System · PWS NY4404402

Hannawa Building Corp.

Hannawa Falls, New York 13647 - drinking water served from groundwater sources to 70 people, tracked in EPA SDWIS and UCMR5.

70
People served
106
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 106 drinking-water violations at Hannawa Building Corp., 3% of them health-based - above the New York per-system average.

106
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
70
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hannawa Building Corp.

Hannawa Building Corp. is a private-owned community water system that delivers drinking water to 70 residents in Hannawa Falls, New York (St. Lawrence County) through 38 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 106 total violations for this system , of which 3 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 46 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 15 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New York, EPA tracks 8,098 public water systems serving 19,294,951 people, with 552,003 cumulative violations and 26,817 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 68.2 violations. Statewide, 98 of 332 UCMR5-tested systems have reported PFAS detections (29.5%).

Hannawa Building Corp.'s 106 violations sit above the New York average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
70
Total Violations
106
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
38
County
St. Lawrence
School/Daycare
No
MCL Violations
3
Monitoring Violations
46
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 15 2024
TTHM MR 9 2016
Total Haloacetic Acids (HAA5) MR 9 2016
Revised Total Coliform Rule MON 6 2023
Coliform (TCR) MR 5 2003
Consumer Confidence Rule Other 4 2006
Coliform (TCR) MCL 3 2000
Nitrate MR 1 1995
Nitrite MR 1 1993

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Hannawa Building Corp..

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NY4404402 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New York Drinking Water Authority

New York State Department of Health, Public Water Systems is the primacy agency that licenses and inspects Hannawa Building Corp. under EPA-delegated authority.

Open NY regulator portal

Source: New York State Department of Health, Public Water Systems

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Lead and Copper Rule MR 15 SDWIS / NY4404402 / 5000
2023 Revised Total Coliform Rule MON 6 SDWIS / NY4404402 / 8000
2016 TTHM MR 9 SDWIS / NY4404402 / 2950
2016 Total Haloacetic Acids (HAA5) MR 9 SDWIS / NY4404402 / 2456
2006 Consumer Confidence Rule Other 4 SDWIS / NY4404402 / 7000
2003 Coliform (TCR) MR 5 SDWIS / NY4404402 / 3100
2000 Coliform (TCR) MCL 3 SDWIS / NY4404402 / 3100
1995 Nitrate MR 1 SDWIS / NY4404402 / 1040
1993 Nitrite MR 1 SDWIS / NY4404402 / 1041

How Hannawa Building Corp. Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Hannawa Building Corp. New York avg Federal benchmark
Total violations 106 68.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 3.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 29.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 70 2,383 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 8,098 regulated public water systems in New York.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Hannawa Building Corp. water safe to drink? ▼
Hannawa Building Corp. (PWS ID: NY4404402) has 106 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 70 people using Groundwater sources.
How many people does Hannawa Building Corp. serve? ▼
Hannawa Building Corp. serves 70 people in Hannawa Falls, New York. It is a Private-owned system using Groundwater water sources with 38 service connections.
What type of violations does Hannawa Building Corp. have? ▼
Hannawa Building Corp. has 106 total violations: 3 health-based violations (MCL exceedances or treatment failures), 46 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hannawa Building Corp. water? ▼
No PFAS testing data is available for Hannawa Building Corp. under the EPA's UCMR5 monitoring program.
What water source does Hannawa Building Corp. use? ▼
Hannawa Building Corp. uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

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

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