Public water system · NY3318532
ActiveC Grant Grimshaw School
At a glance
C Grant Grimshaw School (PWSID NY3318532) is an active non-transient non-community water system in Onondaga County, New York. It reports serving 449 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
449
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does C Grant Grimshaw School compare with other water systems in Onondaga County?
By EPA's size categories, C Grant Grimshaw School is a very small system (500 people or fewer). Onondaga County has 89 active public water systems. Its population served is well below the county average of 6,921 people per system, and accounts for less than 0.1% of the 615,939 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so C Grant Grimshaw School is roughly in line with that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New York has 704 active non-transient non-community water systems, 8.6% of the state's 8,167 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.
Who owns and regulates C Grant Grimshaw School?
EPA lists C Grant Grimshaw School as under public/private ownership. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 89 active systems in Onondaga County (3.4%) are also under public/private ownership.
Does C Grant Grimshaw School have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2023. The violations listed here began between January 2008 and January 2023. By type: 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 5 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2022-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
C Grant Grimshaw School: frequently asked questions
Who runs C Grant Grimshaw School?
C Grant Grimshaw School (PWSID NY3318532) is a non-transient non-community water system under public/private ownership. It is regulated by the NY state drinking water program.
How many people does C Grant Grimshaw School serve?
C Grant Grimshaw School reports serving 449 people through 3 service connections in Onondaga County, New York.
Where does C Grant Grimshaw School get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does C Grant Grimshaw School have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is C Grant Grimshaw School's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find C Grant Grimshaw School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. C Grant Grimshaw School is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Onondaga County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ocwa | Onondaga | 350,000 | Community | Surface water |
| Syracuse City | Onondaga | 192,000 | Community | Surface water |
| Dewitt Wds - South | Onondaga | 16,200 | Community | Purchased surface water |
| Clay Wds | Onondaga | 16,000 | Community | Purchased surface water |
| Dewitt Wds - North | Onondaga | 13,600 | Community | Purchased surface water |
| Baldwinsville Village | Onondaga | 9,200 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “C Grant Grimshaw School, PWSID NY3318532, New York”, https://aquacensus.com/water-systems/new-york/c-grant-grimshaw-school-ny3318532 (data as of October 1, 2026).