Public water system · CA1700630
ActivePier 1900 Homeowner'S Association
At a glance
Pier 1900 Homeowner'S Association (PWSID CA1700630) is an active community water system in Lake County, California. It reports serving 152 people through 54 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
152
Service connections
54
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Pier 1900 Homeowner'S Association compare with other water systems in Lake County?
By EPA's size categories, Pier 1900 Homeowner'S Association is a very small system (500 people or fewer). Lake County has 81 active public water systems. Its population served is well below the county average of 895 people per system, and accounts for 0.2% of the 72,454 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Pier 1900 Homeowner'S Association is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 Pier 1900 Homeowner'S Association?
EPA lists Pier 1900 Homeowner'S Association 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. 60 of the 81 active systems in Lake County (74%) are also privately owned.
Does Pier 1900 Homeowner'S Association have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between July 1993 and October 2024. By type: 1 required treatment not met, 1 reporting, 1 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 2 as unaddressed and 2 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2022-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 4 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.
Pier 1900 Homeowner'S Association: frequently asked questions
Who runs Pier 1900 Homeowner'S Association?
Pier 1900 Homeowner'S Association (PWSID CA1700630) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Pier 1900 Homeowner'S Association serve?
Pier 1900 Homeowner'S Association reports serving 152 people through 54 service connections in Lake County, California.
Where does Pier 1900 Homeowner'S Association 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 Pier 1900 Homeowner'S Association have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Pier 1900 Homeowner'S Association'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 4 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Pier 1900 Homeowner'S Association's water quality report?
As a community water system, Pier 1900 Homeowner'S Association must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Highlands Mutual Water Company | Lake | 7,772 | Community | Surface water |
| Hidden Valley Lake Csd | Lake | 6,235 | Community | Groundwater |
| Konocti County Water District | Lake | 5,928 | Community | Surface water |
| Lakeport, City of | Lake | 4,762 | Community | Surface water |
| Golden State Water Co.-Clearlake System | Lake | 4,644 | Community | Surface water |
| Mt. Konocti Mutual Water Company | Lake | 4,360 | Community | Surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Pier 1900 Homeowner'S Association, PWSID CA1700630, California”, https://aquacensus.com/water-systems/california/pier-1900-homeowner-s-association-ca1700630 (data as of October 1, 2026).