TOS Inspection Rating System
WATER SUPPLY SYSTEMS:
A = System is in substantial conformance. Approval granted for property transfer.
The system may have one or more construction or operational deviations, however the well will be considered to be in substantial conformance. Examples of allowable deviations include:
- Not properly vented
- Evidence of insect infestation
- Loose fitting well cap
- Well 50-100’ away from drainfield
- Improper pump cycling
- Well in drained well pit
- Not accessible for maintenance
- Nitrate level from 1-9.9 ppm
- Well terminates less than 12 inches above grade
- Unapproved yard hydrants
B = System not in substantial conformance and must be upgraded to eliminate noted public health and environmental protection deficiencies. Property transfer not approved.
Water supply system is in substantial non-conformance for one or more of the following reasons:
- Unsafe water sample (includes positive bacteria; nitrates > 10 ppm; arsenic > 10 ppb)
- Dug Well
- Unprotected suction line
- Major cross connections present
- Well could not be found
- Casing less than 25 feet deep
- Buried well head
- Well less than 50’ to septic tank or drainfield
- Improperly abandoned wells
- Well less than 50' to chemical storage
- Well not located on subject property and no easement or use agreement
- Well less than 50' to UST (300' if UST > 1100 gal.)
- Well Less than 150' to agri-chemical storage
- Well in undrained pit
SEWAGE DISPOSAL SYSTEMS:
A = System is in substantial conformance. Approval granted for property transfer.
The system may have one or more construction or operational deviations, however the sewage disposal system will be considered to be in substantial conformance. Examples of deviations include:
- More than 24” cover over field
- Tank/Riser more than 18” below grade
- Water softener/footings to septic
- Drainfield 50-99% of required area
- Tanks 33-99% of required capacity
- 0-50% of drainfield sludged or saturated
- System is less than 10 feet to property line
B = System not in substantial conformance and must be upgraded to eliminate noted public health and environmental protection deficiencies. Property transfer not approved.
System is in substantial non-conformance for one or more of the following reasons:
- Violated Board of Health Variance
- System use violates deed restriction
- Liquid in septic tank above outlet invert
- Shared drainfield with other properties
- No drainfield found
- Discharge of effluent to ground surface
- Tank capacity less than 33% of required size
- Discharge of effluent to surface water
- Field is less than 50% of required size
- Available municipal sewer not utilized
- Any dry well
- Less than 50 feet to surface water
- System extends off subject property
- 50-100% of the field saturated above the tile
page updated 6/9/06
