SAN BERNARDINO, CA · San Bernardino County
CSA 70 W-4 PIONEERTOWN Water System
Consumer Confidence Report status
CSA 70 W-4 PIONEERTOWN must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for CSA 70 W-4 PIONEERTOWN.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA3600196
- System type
- Community Water System
- Population served
- 470
- Service connections
- 127
- Ownership
- local government
- Water source
- groundwater (wells)
CSA 70 W-4 PIONEERTOWN is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 470 people from groundwater.
As of August 1, 2026, its federal record holds 11 entries between 1979 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
Of the 11, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Miscellaneous Other Rules, inorganic chemicals, and the Radionuclides and Revised Rad Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedArsenic
July 1, 2018 – September 30, 2018
ResolvedMaximum Contaminant Level Violation, Average
Health-basedFluoride
October 1, 2017 – December 31, 2017
ResolvedMaximum Contaminant Level Violation, Average
Health-basedFluoride
July 1, 2017 – September 30, 2017
ResolvedMaximum Contaminant Level Violation, Average
Health-basedFluoride
April 1, 2016 – June 30, 2016
ResolvedNotification, Public
—No contaminant on record
December 1, 1982 – December 31, 1982
ArchivedNotification, Public
—No contaminant on record
November 1, 1982 – November 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
ArchivedNotification, Public
—No contaminant on record
July 30, 1980 – October 29, 1980
ArchivedNotification, Public
—No contaminant on record
February 28, 1980 – April 27, 1980
ArchivedNotification, Public
—No contaminant on record
November 30, 1979 – January 29, 1980
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2018 – September 30, 2018 | Maximum Contaminant Level Violation, Average | Arsenic | Health-based | Resolved |
| October 1, 2017 – December 31, 2017 | Maximum Contaminant Level Violation, Average | Fluoride | Health-based | Resolved |
| July 1, 2017 – September 30, 2017 | Maximum Contaminant Level Violation, Average | Fluoride | Health-based | Resolved |
| April 1, 2016 – June 30, 2016 | Maximum Contaminant Level Violation, Average | Fluoride | Health-based | Resolved |
| December 1, 1982 – December 31, 1982 | Notification, Public | — | — | Archived |
| November 1, 1982 – November 30, 1982 | Notification, Public | — | — | Archived |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 30, 1980 – October 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| July 30, 1980 – October 29, 1980 | Notification, Public | — | — | Archived |
| February 28, 1980 – April 27, 1980 | Notification, Public | — | — | Archived |
| November 30, 1979 – January 29, 1980 | Notification, Public | — | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- April 4, 2025State Compliance achieved76 linked violations
- July 28, 2016Federal Final Administrative Order issued32 linked violations
- August 8, 2014State Administrative/Compliance Order without penalty issued125 linked violations
Common questions
Is CSA 70 W-4 PIONEERTOWN required to publish a Consumer Confidence Report?
- Yes. CSA 70 W-4 PIONEERTOWN is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is CSA 70 W-4 PIONEERTOWN’s next Consumer Confidence Report due?
- CSA 70 W-4 PIONEERTOWN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CSA 70 W-4 PIONEERTOWN have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CSA 70 W-4 PIONEERTOWN.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SNYDER, GREG
909-501-8259
SAN BERNARDINO, CA 92415