Public water system · NH1367010
ActiveLittleton Franconia Notch Koa
At a glance
Littleton Franconia Notch Koa (PWSID NH1367010) is an active transient non-community water system in Grafton County, New Hampshire. It reports serving 150 people through 45 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in July 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
45
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Littleton Franconia Notch Koa compare with other water systems in Grafton County?
By EPA's size categories, Littleton Franconia Notch Koa is a very small system (500 people or fewer). Grafton County has 270 active public water systems. Its population served is about 62% below the county average of 394 people per system, and accounts for 0.1% of the 106,236 people reported by systems filed under the county. Across New Hampshire, the 2,450 active systems average 508 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Littleton Franconia Notch Koa is roughly in line with that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Hampshire has 1,291 active transient non-community water systems, 53% of the state's 2,450 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,374 New Hampshire systems (97%) list groundwater as their primary source.
Who owns and regulates Littleton Franconia Notch Koa?
EPA lists Littleton Franconia Notch Koa as privately owned. The NH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 213 of the 270 active systems in Grafton County (79%) are also privately owned.
Does Littleton Franconia Notch Koa have drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in July 2009. The violations listed here began between January 1996 and July 2009. By type: 3 contaminant level above the legal limit, 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-09-05 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2007-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 7 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.
Littleton Franconia Notch Koa: frequently asked questions
Who runs Littleton Franconia Notch Koa?
Littleton Franconia Notch Koa (PWSID NH1367010) is a transient non-community water system privately owned. It is regulated by the NH state drinking water program.
How many people does Littleton Franconia Notch Koa serve?
Littleton Franconia Notch Koa reports serving 150 people through 45 service connections in Grafton County, New Hampshire.
Where does Littleton Franconia Notch Koa 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 Littleton Franconia Notch Koa have any drinking water violations?
EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in July 2009. 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 Littleton Franconia Notch Koa'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 7 violations for this system; 3 are health-based, and the most recent began in July 2009. For current results, consult EPA ECHO, or the NH state drinking water program.
Where can I find Littleton Franconia Notch Koa's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Littleton Franconia Notch Koa is a 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 Grafton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lebanon Water Dept | Grafton | 13,600 | Community | Surface water |
| Hanover Water Dept | Grafton | 9,600 | Community | Surface water |
| Plymouth Vlg Water and Sewer | Grafton | 6,700 | Community | Groundwater |
| Littleton Water and Light | Grafton | 6,500 | Community | Surface water |
| Bristol Water Works | Grafton | 3,575 | Community | Groundwater |
| Lincoln Water Works | Grafton | 3,300 | Community | Surface water |
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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, “Littleton Franconia Notch Koa, PWSID NH1367010, New Hampshire”, https://aquacensus.com/water-systems/new-hampshire/littleton-franconia-notch-koa-nh1367010 (data as of October 1, 2026).