Summary of Required Services Based on Water. System Type CWS NTNC TNC OVS Independent Enforcement Actions X X X Computerized Drinking Water System Data Base X X X X Technical and Regulatory Assistance X X X X Investigation of Water Quality Alerts X X X X Conduct Level 2 Coliform Investigations X X X Water System Surveys X X X Resolution of Priority Non-compliers (PNC) X X X Level 1 Coliform Investigation Review X X X Water System Survey Significant Deficiency Follow-ups X X X Enforcement Action Tracking and Follow-up X X X X Resolution of Monitoring and Reporting Violations X X X X Inventory and Documentation of New Water Systems X X X X
