Community Water System · PWSID CA5400506

North Kaweah Mutual Water Company

Serves 560 peopleGroundwater Under InfluenceOwner: PrivateThree Rivers, California

Nothing open right now.

On record since 2003: 10 violations. 1 treatment lapse · 5 missed or late tests · 4 notices or reports. Most recent began 2019-01-01.

None of them is a measurement of contaminated water.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

0Over the limit

1Treatment lapse

5Missed or late test

4Notice or report

More violations on record than 87% of active water systems in California. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.

10% treatment lapse · 150% missed or late test · 540% notice or report · 4

Across California, 52% of violations are missed or late tests and 29% are water over a limit.

Lead & copper at the tap

Utilities sample taps in homes most likely to have lead pipes, and report the 90th-percentile result: 9 in 10 homes sampled came in at or below this number. Above the red line (the action level) the utility must act. The action level is not a safe level; EPA's health goal for lead is zero. EPA's file does not date these results, so they are shown highest first.

Lead, 90th percentile 12 results on file · action level 15 ppb

10 ppb

1.8 ppb

0 ppb

Copper, 90th percentile 3 results on file · action level 1.3 mg/L

2.5 mg/L

1.4 mg/L

Every violation on record

2019-01-01NitrateMonitoring, RegularBack in compliance
2019-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
2019-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
2016-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2012-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
2012-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
2011-10-01Surface water treatment (SWTR)Failure to Filter (SWTR)Back in compliance
2010-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2009-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
2003-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance

System details

Population served	560
Service connections	71
Water source	Groundwater Under Influence
System type	Community Water System
Owner	Private
Status	Active
City	Three Rivers
EPA ZIP on file	93271

Areas served

Tulare County

Reading this record

North Kaweah Mutual Water Company is a community water system that draws from groundwater under influence and serves about 560 people in Three Rivers, California. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.