Public water system record
East Hempfield Water Auth
Serves an area of Lancaster County, PA that includes Landisville, Salunga and Rohrerstown · 20,988 people served
Federal records show 1 health-based violation and 12 monitoring/reporting issues for East Hempfield Water Auth in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 12
Key facts
- East Hempfield Water Auth draws water from 10 wells.
- Highest measured level in the last 10 years: Nitrate, 10.8 mg/L, federal limit 10 mg/L (1.1 times the limit), 2025.
- Record on file since 1982, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 5,126 unknown out of 6,747 service lines.
Check whether East Hempfield Water Auth serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 10.8 mg/L, federal limit 10 mg/L (1.1 times the limit)
|
330 | Apr 1, 2025 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
RPT
|
Jul 1, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Nov 15, 2022 | Resolved |
|
Public Notice
OTHER
|
Jul 11, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 11, 2020 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2019 | Resolved |
Full record since 1982
EPA's records for East Hempfield Water Auth go back to 1982. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 12 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 6 |
| 1990s | 0 | 4 |
| 2000s | 1 | 2 |
| October 19, 2016 to 2019 | 0 | 5 |
| 2020s | 1 | 7 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2008, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2008 | Resolved |
What the violations mean
Nitrate
1 incidentNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
East Hempfield Water Auth draws water from 10 wells. It also buys water from City of Lancaster. 2 smaller public systems such as schools, businesses or campgrounds buy water from East Hempfield Water Auth.
Buys water from
- City of Lancaster Lancaster, PA
Annual water quality report
East Hempfield Water Auth must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.
Certified drinking water labs by state EPA guidance for private wells