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2026 Rankings

St. Lawrence County, New York Home Safety Rankings - 45 ZIPs

Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.

St. Lawrence County, New York (New York) includes 45 tracked ZIP codes and 11 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Consumer Confidence Report Rule	22	11
Lead	11	11
Total Trihalomethanes (TTHM)	10	5
Haloacetic Acids (HAA5)	10	5
E. coli	4	4
Fecal Coliform	4	4

Lead Risk

Average of reported 90th-percentile lead results: 0.0042 mg/L (below EPA action level)
0 of 17 ZIP codes with known status exceed EPA lead action level
36% of housing built before 1950
56% of housing built before 1970

Cities in This Metro

Potsdam, NY — 2 ZIP codes
Childwold, NY — 1 ZIP code
Cranberry Lake, NY — 1 ZIP code
Lawrenceville, NY — 1 ZIP code
Nicholville, NY — 1 ZIP code
North Lawrence, NY — 1 ZIP code
Piercefield, NY — 1 ZIP code
Brasher Falls, NY — 1 ZIP code
Brier Hill, NY — 1 ZIP code
Canton, NY — 1 ZIP code
Chase Mills, NY — 1 ZIP code
Colton, NY — 1 ZIP code
De Kalb Junction, NY — 1 ZIP code
De Peyster, NY — 1 ZIP code
Edwards, NY — 1 ZIP code
Fine, NY — 1 ZIP code
Gouverneur, NY — 1 ZIP code
Hailesboro, NY — 1 ZIP code
Hammond, NY — 1 ZIP code
Hannawa Falls, NY — 1 ZIP code
Helena, NY — 1 ZIP code
Hermon, NY — 1 ZIP code
Heuvelton, NY — 1 ZIP code
Lisbon, NY — 1 ZIP code
Madrid, NY — 1 ZIP code
Massena, NY — 1 ZIP code
Morristown, NY — 1 ZIP code
Newton Falls, NY — 1 ZIP code
Norfolk, NY — 1 ZIP code
Norwood, NY — 1 ZIP code

...and 14 more cities

All 45 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	12927	Cranberry Lake	—	—	—
2	12965	Nicholville	—	—	—
3	12967	North Lawrence	—	—	—
4	12973	Piercefield	—	—	—
5	13613	Brasher Falls	—	—	—
6	13614	Brier Hill	—	—	—
7	13617	Canton	—	—	8
8	13621	Chase Mills	—	—	7
9	13625	Colton	—	—	—
10	13630	De Kalb Junction	—	—	2
11	13633	De Peyster	—	—	—
12	13635	Edwards	—	—	—
13	13642	Gouverneur	—	—	1
14	13646	Hammond	—	—	—
15	13647	Hannawa Falls	—	—	—
16	13649	Helena	—	—	—
17	13652	Hermon	—	—	2
18	13654	Heuvelton	—	—	—
19	13658	Lisbon	—	—	5
20	13660	Madrid	—	—	7
21	13662	Massena	—	—	2
22	13664	Morristown	—	—	—
23	13666	Newton Falls	—	—	—
24	13667	Norfolk	—	—	7
25	13668	Norwood	—	—	4
26	13669	Ogdensburg	—	—	0
27	13670	Oswegatchie	—	—	—
28	13672	Parishville	—	—	—
29	13676	Potsdam	—	—	4
30	13680	Rensselaer Falls	—	—	2
31	13681	Richville	—	—	1
32	13684	Russell	—	—	—
33	13687	South Colton	—	—	—
34	13690	Star Lake	—	—	—
35	13694	Waddington	—	—	5
36	13695	Wanakena	—	—	—
37	13696	West Stockholm	—	—	—
38	13697	Winthrop	—	—	—
39	13699	Potsdam	—	—	2

Data Sources

Water quality: EPA SDWIS
Housing: U.S. Census Bureau American Community Survey
Flood: FEMA NFIP
Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.

Reporting periods vary by source; the page metadata identifies this materialization.

Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →

Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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How to cite this page

APA

ZipCheckup. (2026). St. Lawrence County, New York Home Safety Rankings - 45 ZIPs. https://zipcheckup.com/rankings/metro/st-lawrence-new-york/

BibTeX

@misc{zipcheckup-rankings-metro-st-lawrence-new-york,
  author = {{ZipCheckup}},
  title  = {{St. Lawrence County, New York Home Safety Rankings - 45 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/st-lawrence-new-york/}
}

Page version: October 2026.

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