MILLERSVILLE, MD · Anne Arundel County
KNOLLWOOD MANOR Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of December 1, 1914. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Anne Arundel County, MD.
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 Maryland’s official records. Always confirm current status with Maryland before making decisions based on this information.
System facts
- System ID (PWSID)
- MD0020204
- System type
- Community Water System
- Population served
- 160
- Service connections
- 1
- Ownership
- privately owned
- Water source
- groundwater (wells)
KNOLLWOOD MANOR is one of 1,050 community water systems in Maryland in the 500 or fewer people size category, formerly serving 160 people from groundwater.
EPA's federal records list this system as inactive in 1914; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 2014, all of which EPA lists as closed. Nothing has been added since 2014.
All 1 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 Lead and Copper Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
January 1, 2014 – December 1, 1914
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2014 – December 1, 1914 | Lead Consumer Notice | Lead and Copper Rule | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 10, 2013State Violation/Reminder Notice1 linked violation
Last known contact on file (system is inactive)
KNOLLWOOD MANOR
4109871644
MILLERSVILLE, MD 21108