Red line on graph indicates guidelines under Otago Water Plan Receiving Limits and National Policy Statement for Freshwater Management (Chlorophyll-A)
Sites 1, 2, 4, 5 are measured against Lake Guidelines. Sites 3A, 3B, 3C and 6 measured against River Guidelines.
See here for complete table of ORC & NPFSM Guidelines
Tomahawk Lagoon Citizen Science Team 