Public water system · CA1000625

Active

Dino Mart 1

At a glance

Dino Mart 1 (PWSID CA1000625) is an active transient non-community water system in Fresno County, California. It reports serving 104 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in July 2018.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

104

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA1000625

System typeTransient non-community water system

Activity statusActive

Population served104

Service connections2

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCA state drinking water program

City served—

StateCalifornia

ZIP—

CountyFresno County

How does Dino Mart 1 compare with other water systems in Fresno County?

By EPA's size categories, Dino Mart 1 is a very small system (500 people or fewer). Fresno County has 328 active public water systems. Its population served is well below the county average of 3,205 people per system, and accounts for less than 0.1% of the 1,051,276 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Dino Mart 1 is about 28% below 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. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.

Who owns and regulates Dino Mart 1?

EPA lists Dino Mart 1 as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 220 of the 328 active systems in Fresno County (67%) are also privately owned.

Does Dino Mart 1 have drinking water violations?

EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in July 2018. The violations listed here began between January 2015 and July 2018. By type: 9 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (9 of them). EPA lists 10 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
2018-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2018-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2018-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2017-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2017-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2017-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2017-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Nitratecode 1040	Yes	Resolved
2016-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Nitratecode 1040	Yes	Resolved
2016-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Nitratecode 1040	Yes	Resolved
2015-01-01	Public notice, recordkeeping or otherVariance/Exemption/Other Compliance · code 08	Not reported	No	Resolved

All 10 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.

Dino Mart 1: frequently asked questions

Who runs Dino Mart 1?

Dino Mart 1 (PWSID CA1000625) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Dino Mart 1 serve?

Dino Mart 1 reports serving 104 people through 2 service connections in Fresno County, California.

Where does Dino Mart 1 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 Dino Mart 1 have any drinking water violations?

EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in July 2018. 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 Dino Mart 1'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 10 violations for this system; 9 are health-based, and the most recent began in July 2018. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Dino Mart 1's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Dino Mart 1 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 Fresno County

Water system	County	Population served	Type	Source
City of Fresno	Fresno	545,716	Community	Surface water
City of Clovis	Fresno	130,130	Community	Surface water
California State University Fresno	Fresno	41,000	Community	Groundwater
Cws - Selma	Fresno	26,517	Community	Groundwater
City of Sanger	Fresno	26,357	Community	Groundwater
Reedley, City of	Fresno	26,076	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, “Dino Mart 1, PWSID CA1000625, California”, https://aquacensus.com/water-systems/california/dino-mart-1-ca1000625 (data as of October 1, 2026).